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Finding the Fourth Proportional to 47,149.92, 65,065.08 and 25,927.92

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Solution

The fourth proportional to 47,149.92, 65,065.08 and 25,927.92 is: 35,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149.92 : 65,065.08 = 25,927.92 : x
  2. Step 2: Convert to fraction form
    47,149.92/65,065.08 = 25,927.92/x
  3. Step 3: Cross multiply
    47,149.92x = 65,065.08 × 25,927.92
  4. Step 4: Simplify right side
    47,149.92x = 1,687,002,189.03
  5. Step 5: Solve for x
    x = 1,687,002,189.03/47,149.92
  6. Step 6: Final answer
    x = 35,779.53

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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.