Home / 47,387.97-65,342.07-38,747.19

Finding the Fourth Proportional to 47,387.97, 65,342.07 and 38,747.19

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Solution

The fourth proportional to 47,387.97, 65,342.07 and 38,747.19 is: 53,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.97 : 65,342.07 = 38,747.19 : x
  2. Step 2: Convert to fraction form
    47,387.97/65,342.07 = 38,747.19/x
  3. Step 3: Cross multiply
    47,387.97x = 65,342.07 × 38,747.19
  4. Step 4: Simplify right side
    47,387.97x = 2,531,821,601.28
  5. Step 5: Solve for x
    x = 2,531,821,601.28/47,387.97
  6. Step 6: Final answer
    x = 53,427.52

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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.