Home / 52,487.57-72,431.40-28,614.23

Finding the Fourth Proportional to 52,487.57, 72,431.40 and 28,614.23

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Solution

The fourth proportional to 52,487.57, 72,431.40 and 28,614.23 is: 39,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.57 : 72,431.40 = 28,614.23 : x
  2. Step 2: Convert to fraction form
    52,487.57/72,431.40 = 28,614.23/x
  3. Step 3: Cross multiply
    52,487.57x = 72,431.40 × 28,614.23
  4. Step 4: Simplify right side
    52,487.57x = 2,072,569,002.06
  5. Step 5: Solve for x
    x = 2,072,569,002.06/52,487.57
  6. Step 6: Final answer
    x = 39,486.86

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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.