Home / 38,439.98-57,657.91-10,359.58

Finding the Fourth Proportional to 38,439.98, 57,657.91 and 10,359.58

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Solution

The fourth proportional to 38,439.98, 57,657.91 and 10,359.58 is: 15,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.98 : 57,657.91 = 10,359.58 : x
  2. Step 2: Convert to fraction form
    38,439.98/57,657.91 = 10,359.58/x
  3. Step 3: Cross multiply
    38,439.98x = 57,657.91 × 10,359.58
  4. Step 4: Simplify right side
    38,439.98x = 597,311,442.99
  5. Step 5: Solve for x
    x = 597,311,442.99/38,439.98
  6. Step 6: Final answer
    x = 15,538.81

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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.