Home / 57,172.20-78,884.76-34,514.88

Finding the Fourth Proportional to 57,172.20, 78,884.76 and 34,514.88

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Solution

The fourth proportional to 57,172.20, 78,884.76 and 34,514.88 is: 47,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.20 : 78,884.76 = 34,514.88 : x
  2. Step 2: Convert to fraction form
    57,172.20/78,884.76 = 34,514.88/x
  3. Step 3: Cross multiply
    57,172.20x = 78,884.76 × 34,514.88
  4. Step 4: Simplify right side
    57,172.20x = 2,722,698,025.23
  5. Step 5: Solve for x
    x = 2,722,698,025.23/57,172.20
  6. Step 6: Final answer
    x = 47,622.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.