Home / 55,117.52-76,061.76-29,967.20

Finding the Fourth Proportional to 55,117.52, 76,061.76 and 29,967.20

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Solution

The fourth proportional to 55,117.52, 76,061.76 and 29,967.20 is: 41,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.52 : 76,061.76 = 29,967.20 : x
  2. Step 2: Convert to fraction form
    55,117.52/76,061.76 = 29,967.20/x
  3. Step 3: Cross multiply
    55,117.52x = 76,061.76 × 29,967.20
  4. Step 4: Simplify right side
    55,117.52x = 2,279,357,974.27
  5. Step 5: Solve for x
    x = 2,279,357,974.27/55,117.52
  6. Step 6: Final answer
    x = 41,354.51

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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.