Home / 43,459.58-65,189.37-22,678.22

Finding the Fourth Proportional to 43,459.58, 65,189.37 and 22,678.22

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Solution

The fourth proportional to 43,459.58, 65,189.37 and 22,678.22 is: 34,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.58 : 65,189.37 = 22,678.22 : x
  2. Step 2: Convert to fraction form
    43,459.58/65,189.37 = 22,678.22/x
  3. Step 3: Cross multiply
    43,459.58x = 65,189.37 × 22,678.22
  4. Step 4: Simplify right side
    43,459.58x = 1,478,378,874.52
  5. Step 5: Solve for x
    x = 1,478,378,874.52/43,459.58
  6. Step 6: Final answer
    x = 34,017.33

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Half scale
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Double scale
Find fourth proportional to 43,460.58, 65,190.87 and 22,679.22
Similar ratio
Find fourth proportional to 65,189.37, 97,784.06 and 34,017.33
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.