Home / 47,854.25-71,781.41-21,528.24

Finding the Fourth Proportional to 47,854.25, 71,781.41 and 21,528.24

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Solution

The fourth proportional to 47,854.25, 71,781.41 and 21,528.24 is: 32,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.25 : 71,781.41 = 21,528.24 : x
  2. Step 2: Convert to fraction form
    47,854.25/71,781.41 = 21,528.24/x
  3. Step 3: Cross multiply
    47,854.25x = 71,781.41 × 21,528.24
  4. Step 4: Simplify right side
    47,854.25x = 1,545,327,422.02
  5. Step 5: Solve for x
    x = 1,545,327,422.02/47,854.25
  6. Step 6: Final answer
    x = 32,292.38

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1.5x scale

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.