Home / 47,221.52-65,165.78-25,711.16

Finding the Fourth Proportional to 47,221.52, 65,165.78 and 25,711.16

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Solution

The fourth proportional to 47,221.52, 65,165.78 and 25,711.16 is: 35,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.52 : 65,165.78 = 25,711.16 : x
  2. Step 2: Convert to fraction form
    47,221.52/65,165.78 = 25,711.16/x
  3. Step 3: Cross multiply
    47,221.52x = 65,165.78 × 25,711.16
  4. Step 4: Simplify right side
    47,221.52x = 1,675,487,796.10
  5. Step 5: Solve for x
    x = 1,675,487,796.10/47,221.52
  6. Step 6: Final answer
    x = 35,481.45

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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.