Home / 38,308.76-57,451.98-14,929.64

Finding the Fourth Proportional to 38,308.76, 57,451.98 and 14,929.64

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Solution

The fourth proportional to 38,308.76, 57,451.98 and 14,929.64 is: 22,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.76 : 57,451.98 = 14,929.64 : x
  2. Step 2: Convert to fraction form
    38,308.76/57,451.98 = 14,929.64/x
  3. Step 3: Cross multiply
    38,308.76x = 57,451.98 × 14,929.64
  4. Step 4: Simplify right side
    38,308.76x = 857,737,378.69
  5. Step 5: Solve for x
    x = 857,737,378.69/38,308.76
  6. Step 6: Final answer
    x = 22,390.11

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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.