Home / 39,677.97-59,487.75-18,916.05

Finding the Fourth Proportional to 39,677.97, 59,487.75 and 18,916.05

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Solution

The fourth proportional to 39,677.97, 59,487.75 and 18,916.05 is: 28,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.97 : 59,487.75 = 18,916.05 : x
  2. Step 2: Convert to fraction form
    39,677.97/59,487.75 = 18,916.05/x
  3. Step 3: Cross multiply
    39,677.97x = 59,487.75 × 18,916.05
  4. Step 4: Simplify right side
    39,677.97x = 1,125,273,253.39
  5. Step 5: Solve for x
    x = 1,125,273,253.39/39,677.97
  6. Step 6: Final answer
    x = 28,360.15

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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.