Home / 38,359.68-57,539.70-13,399.62

Finding the Fourth Proportional to 38,359.68, 57,539.70 and 13,399.62

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Solution

The fourth proportional to 38,359.68, 57,539.70 and 13,399.62 is: 20,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.68 : 57,539.70 = 13,399.62 : x
  2. Step 2: Convert to fraction form
    38,359.68/57,539.70 = 13,399.62/x
  3. Step 3: Cross multiply
    38,359.68x = 57,539.70 × 13,399.62
  4. Step 4: Simplify right side
    38,359.68x = 771,010,114.91
  5. Step 5: Solve for x
    x = 771,010,114.91/38,359.68
  6. Step 6: Final answer
    x = 20,099.49

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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.