Home / 47,648.30-71,445.10-18,047.25

Finding the Fourth Proportional to 47,648.30, 71,445.10 and 18,047.25

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Solution

The fourth proportional to 47,648.30, 71,445.10 and 18,047.25 is: 27,060.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.30 : 71,445.10 = 18,047.25 : x
  2. Step 2: Convert to fraction form
    47,648.30/71,445.10 = 18,047.25/x
  3. Step 3: Cross multiply
    47,648.30x = 71,445.10 × 18,047.25
  4. Step 4: Simplify right side
    47,648.30x = 1,289,387,535.86
  5. Step 5: Solve for x
    x = 1,289,387,535.86/47,648.30
  6. Step 6: Final answer
    x = 27,060.52

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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.