Home / 39,007.71-58,505.49-12,712.28

Finding the Fourth Proportional to 39,007.71, 58,505.49 and 12,712.28

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Solution

The fourth proportional to 39,007.71, 58,505.49 and 12,712.28 is: 19,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.71 : 58,505.49 = 12,712.28 : x
  2. Step 2: Convert to fraction form
    39,007.71/58,505.49 = 12,712.28/x
  3. Step 3: Cross multiply
    39,007.71x = 58,505.49 × 12,712.28
  4. Step 4: Simplify right side
    39,007.71x = 743,737,877.89
  5. Step 5: Solve for x
    x = 743,737,877.89/39,007.71
  6. Step 6: Final answer
    x = 19,066.43

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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.