Home / 38,329.74-57,490.02-10,251.90

Finding the Fourth Proportional to 38,329.74, 57,490.02 and 10,251.90

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Solution

The fourth proportional to 38,329.74, 57,490.02 and 10,251.90 is: 15,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.74 : 57,490.02 = 10,251.90 : x
  2. Step 2: Convert to fraction form
    38,329.74/57,490.02 = 10,251.90/x
  3. Step 3: Cross multiply
    38,329.74x = 57,490.02 × 10,251.90
  4. Step 4: Simplify right side
    38,329.74x = 589,381,936.04
  5. Step 5: Solve for x
    x = 589,381,936.04/38,329.74
  6. Step 6: Final answer
    x = 15,376.62

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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.