Home / 38,747.87-58,121.81-15,374.31

Finding the Fourth Proportional to 38,747.87, 58,121.81 and 15,374.31

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Solution

The fourth proportional to 38,747.87, 58,121.81 and 15,374.31 is: 23,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.87 : 58,121.81 = 15,374.31 : x
  2. Step 2: Convert to fraction form
    38,747.87/58,121.81 = 15,374.31/x
  3. Step 3: Cross multiply
    38,747.87x = 58,121.81 × 15,374.31
  4. Step 4: Simplify right side
    38,747.87x = 893,582,724.70
  5. Step 5: Solve for x
    x = 893,582,724.70/38,747.87
  6. Step 6: Final answer
    x = 23,061.47

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1.5x scale

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.