Home / 43,486.37-65,230.01-13,903.55

Finding the Fourth Proportional to 43,486.37, 65,230.01 and 13,903.55

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Solution

The fourth proportional to 43,486.37, 65,230.01 and 13,903.55 is: 20,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.37 : 65,230.01 = 13,903.55 : x
  2. Step 2: Convert to fraction form
    43,486.37/65,230.01 = 13,903.55/x
  3. Step 3: Cross multiply
    43,486.37x = 65,230.01 × 13,903.55
  4. Step 4: Simplify right side
    43,486.37x = 906,928,705.54
  5. Step 5: Solve for x
    x = 906,928,705.54/43,486.37
  6. Step 6: Final answer
    x = 20,855.47

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Similar ratio
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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.