Home / 47,934.10-71,875.20-21,608.02

Finding the Fourth Proportional to 47,934.10, 71,875.20 and 21,608.02

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Solution

The fourth proportional to 47,934.10, 71,875.20 and 21,608.02 is: 32,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.10 : 71,875.20 = 21,608.02 : x
  2. Step 2: Convert to fraction form
    47,934.10/71,875.20 = 21,608.02/x
  3. Step 3: Cross multiply
    47,934.10x = 71,875.20 × 21,608.02
  4. Step 4: Simplify right side
    47,934.10x = 1,553,080,759.10
  5. Step 5: Solve for x
    x = 1,553,080,759.10/47,934.10
  6. Step 6: Final answer
    x = 32,400.33

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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.