Home / 72,818.32-109,227.48-22,902.79

Finding the Fourth Proportional to 72,818.32, 109,227.48 and 22,902.79

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Solution

The fourth proportional to 72,818.32, 109,227.48 and 22,902.79 is: 34,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,818.32 : 109,227.48 = 22,902.79 : x
  2. Step 2: Convert to fraction form
    72,818.32/109,227.48 = 22,902.79/x
  3. Step 3: Cross multiply
    72,818.32x = 109,227.48 × 22,902.79
  4. Step 4: Simplify right side
    72,818.32x = 2,501,614,036.67
  5. Step 5: Solve for x
    x = 2,501,614,036.67/72,818.32
  6. Step 6: Final answer
    x = 34,354.19

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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.