Home / 84,484.64-126,715.44-22,149.92

Finding the Fourth Proportional to 84,484.64, 126,715.44 and 22,149.92

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Solution

The fourth proportional to 84,484.64, 126,715.44 and 22,149.92 is: 33,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,484.64 : 126,715.44 = 22,149.92 : x
  2. Step 2: Convert to fraction form
    84,484.64/126,715.44 = 22,149.92/x
  3. Step 3: Cross multiply
    84,484.64x = 126,715.44 × 22,149.92
  4. Step 4: Simplify right side
    84,484.64x = 2,806,736,858.76
  5. Step 5: Solve for x
    x = 2,806,736,858.76/84,484.64
  6. Step 6: Final answer
    x = 33,221.86

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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.