Home / 47,854.23-71,781.39-21,528.24

Finding the Fourth Proportional to 47,854.23, 71,781.39 and 21,528.24

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Solution

The fourth proportional to 47,854.23, 71,781.39 and 21,528.24 is: 32,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.23 : 71,781.39 = 21,528.24 : x
  2. Step 2: Convert to fraction form
    47,854.23/71,781.39 = 21,528.24/x
  3. Step 3: Cross multiply
    47,854.23x = 71,781.39 × 21,528.24
  4. Step 4: Simplify right side
    47,854.23x = 1,545,326,991.45
  5. Step 5: Solve for x
    x = 1,545,326,991.45/47,854.23
  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.