Home / 38,988.18-58,471.89-10,906.49

Finding the Fourth Proportional to 38,988.18, 58,471.89 and 10,906.49

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Solution

The fourth proportional to 38,988.18, 58,471.89 and 10,906.49 is: 16,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.18 : 58,471.89 = 10,906.49 : x
  2. Step 2: Convert to fraction form
    38,988.18/58,471.89 = 10,906.49/x
  3. Step 3: Cross multiply
    38,988.18x = 58,471.89 × 10,906.49
  4. Step 4: Simplify right side
    38,988.18x = 637,723,083.57
  5. Step 5: Solve for x
    x = 637,723,083.57/38,988.18
  6. Step 6: Final answer
    x = 16,356.83

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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.