Home / 72,239.34-108,318.78-22,305.27

Finding the Fourth Proportional to 72,239.34, 108,318.78 and 22,305.27

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Solution

The fourth proportional to 72,239.34, 108,318.78 and 22,305.27 is: 33,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239.34 : 108,318.78 = 22,305.27 : x
  2. Step 2: Convert to fraction form
    72,239.34/108,318.78 = 22,305.27/x
  3. Step 3: Cross multiply
    72,239.34x = 108,318.78 × 22,305.27
  4. Step 4: Simplify right side
    72,239.34x = 2,416,079,633.97
  5. Step 5: Solve for x
    x = 2,416,079,633.97/72,239.34
  6. Step 6: Final answer
    x = 33,445.48

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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.