Home / 72,728.03-109,092.06-22,812.48

Finding the Fourth Proportional to 72,728.03, 109,092.06 and 22,812.48

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Solution

The fourth proportional to 72,728.03, 109,092.06 and 22,812.48 is: 34,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,728.03 : 109,092.06 = 22,812.48 : x
  2. Step 2: Convert to fraction form
    72,728.03/109,092.06 = 22,812.48/x
  3. Step 3: Cross multiply
    72,728.03x = 109,092.06 × 22,812.48
  4. Step 4: Simplify right side
    72,728.03x = 2,488,660,436.91
  5. Step 5: Solve for x
    x = 2,488,660,436.91/72,728.03
  6. Step 6: Final answer
    x = 34,218.72

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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.