Home / 47,967.48-71,987.64-38,629.92

Finding the Fourth Proportional to 47,967.48, 71,987.64 and 38,629.92

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Solution

The fourth proportional to 47,967.48, 71,987.64 and 38,629.92 is: 57,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.48 : 71,987.64 = 38,629.92 : x
  2. Step 2: Convert to fraction form
    47,967.48/71,987.64 = 38,629.92/x
  3. Step 3: Cross multiply
    47,967.48x = 71,987.64 × 38,629.92
  4. Step 4: Simplify right side
    47,967.48x = 2,780,876,774.19
  5. Step 5: Solve for x
    x = 2,780,876,774.19/47,967.48
  6. Step 6: Final answer
    x = 57,974.21

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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.