Home / 42,189.85-58,219.59-23,325.76

Finding the Fourth Proportional to 42,189.85, 58,219.59 and 23,325.76

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Solution

The fourth proportional to 42,189.85, 58,219.59 and 23,325.76 is: 32,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.85 : 58,219.59 = 23,325.76 : x
  2. Step 2: Convert to fraction form
    42,189.85/58,219.59 = 23,325.76/x
  3. Step 3: Cross multiply
    42,189.85x = 58,219.59 × 23,325.76
  4. Step 4: Simplify right side
    42,189.85x = 1,358,016,183.64
  5. Step 5: Solve for x
    x = 1,358,016,183.64/42,189.85
  6. Step 6: Final answer
    x = 32,188.22

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Half scale
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Double scale
Find fourth proportional to 42,190.85, 58,220.97 and 23,326.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.