Home / 38,399.40-57,600.90-12,106.17

Finding the Fourth Proportional to 38,399.40, 57,600.90 and 12,106.17

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Solution

The fourth proportional to 38,399.40, 57,600.90 and 12,106.17 is: 18,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.40 : 57,600.90 = 12,106.17 : x
  2. Step 2: Convert to fraction form
    38,399.40/57,600.90 = 12,106.17/x
  3. Step 3: Cross multiply
    38,399.40x = 57,600.90 × 12,106.17
  4. Step 4: Simplify right side
    38,399.40x = 697,326,287.55
  5. Step 5: Solve for x
    x = 697,326,287.55/38,399.40
  6. Step 6: Final answer
    x = 18,159.82

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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.