Home / 38,609.04-57,917.88-12,307.68

Finding the Fourth Proportional to 38,609.04, 57,917.88 and 12,307.68

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Solution

The fourth proportional to 38,609.04, 57,917.88 and 12,307.68 is: 18,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.04 : 57,917.88 = 12,307.68 : x
  2. Step 2: Convert to fraction form
    38,609.04/57,917.88 = 12,307.68/x
  3. Step 3: Cross multiply
    38,609.04x = 57,917.88 × 12,307.68
  4. Step 4: Simplify right side
    38,609.04x = 712,834,733.32
  5. Step 5: Solve for x
    x = 712,834,733.32/38,609.04
  6. Step 6: Final answer
    x = 18,462.90

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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.