Home / 61,144.14-84,343.17-38,447.20

Finding the Fourth Proportional to 61,144.14, 84,343.17 and 38,447.20

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Solution

The fourth proportional to 61,144.14, 84,343.17 and 38,447.20 is: 53,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,144.14 : 84,343.17 = 38,447.20 : x
  2. Step 2: Convert to fraction form
    61,144.14/84,343.17 = 38,447.20/x
  3. Step 3: Cross multiply
    61,144.14x = 84,343.17 × 38,447.20
  4. Step 4: Simplify right side
    61,144.14x = 3,242,758,725.62
  5. Step 5: Solve for x
    x = 3,242,758,725.62/61,144.14
  6. Step 6: Final answer
    x = 53,034.66

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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.