Home / 38,539.50-57,809.70-15,149.53

Finding the Fourth Proportional to 38,539.50, 57,809.70 and 15,149.53

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Solution

The fourth proportional to 38,539.50, 57,809.70 and 15,149.53 is: 22,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.50 : 57,809.70 = 15,149.53 : x
  2. Step 2: Convert to fraction form
    38,539.50/57,809.70 = 15,149.53/x
  3. Step 3: Cross multiply
    38,539.50x = 57,809.70 × 15,149.53
  4. Step 4: Simplify right side
    38,539.50x = 875,789,856.70
  5. Step 5: Solve for x
    x = 875,789,856.70/38,539.50
  6. Step 6: Final answer
    x = 22,724.48

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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.