Home / 72,451.90-108,638.97-22,510.54

Finding the Fourth Proportional to 72,451.90, 108,638.97 and 22,510.54

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Solution

The fourth proportional to 72,451.90, 108,638.97 and 22,510.54 is: 33,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,451.90 : 108,638.97 = 22,510.54 : x
  2. Step 2: Convert to fraction form
    72,451.90/108,638.97 = 22,510.54/x
  3. Step 3: Cross multiply
    72,451.90x = 108,638.97 × 22,510.54
  4. Step 4: Simplify right side
    72,451.90x = 2,445,521,879.74
  5. Step 5: Solve for x
    x = 2,445,521,879.74/72,451.90
  6. Step 6: Final answer
    x = 33,753.73

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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.