Home / 47,715.60-71,512.20-26,655.60

Finding the Fourth Proportional to 47,715.60, 71,512.20 and 26,655.60

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Solution

The fourth proportional to 47,715.60, 71,512.20 and 26,655.60 is: 39,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.60 : 71,512.20 = 26,655.60 : x
  2. Step 2: Convert to fraction form
    47,715.60/71,512.20 = 26,655.60/x
  3. Step 3: Cross multiply
    47,715.60x = 71,512.20 × 26,655.60
  4. Step 4: Simplify right side
    47,715.60x = 1,906,200,598.32
  5. Step 5: Solve for x
    x = 1,906,200,598.32/47,715.60
  6. Step 6: Final answer
    x = 39,949.21

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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.