Home / 29,180.60-43,746.90-12,553.40

Finding the Fourth Proportional to 29,180.60, 43,746.90 and 12,553.40

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Solution

The fourth proportional to 29,180.60, 43,746.90 and 12,553.40 is: 18,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.60 : 43,746.90 = 12,553.40 : x
  2. Step 2: Convert to fraction form
    29,180.60/43,746.90 = 12,553.40/x
  3. Step 3: Cross multiply
    29,180.60x = 43,746.90 × 12,553.40
  4. Step 4: Simplify right side
    29,180.60x = 549,172,334.46
  5. Step 5: Solve for x
    x = 549,172,334.46/29,180.60
  6. Step 6: Final answer
    x = 18,819.78

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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.