Home / 43,940.50-65,897.12-15,856.90

Finding the Fourth Proportional to 43,940.50, 65,897.12 and 15,856.90

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Solution

The fourth proportional to 43,940.50, 65,897.12 and 15,856.90 is: 23,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.50 : 65,897.12 = 15,856.90 : x
  2. Step 2: Convert to fraction form
    43,940.50/65,897.12 = 15,856.90/x
  3. Step 3: Cross multiply
    43,940.50x = 65,897.12 × 15,856.90
  4. Step 4: Simplify right side
    43,940.50x = 1,044,924,042.13
  5. Step 5: Solve for x
    x = 1,044,924,042.13/43,940.50
  6. Step 6: Final answer
    x = 23,780.43

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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.