Home / 72,224.64-108,337.19-19,634.09

Finding the Fourth Proportional to 72,224.64, 108,337.19 and 19,634.09

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Solution

The fourth proportional to 72,224.64, 108,337.19 and 19,634.09 is: 29,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224.64 : 108,337.19 = 19,634.09 : x
  2. Step 2: Convert to fraction form
    72,224.64/108,337.19 = 19,634.09/x
  3. Step 3: Cross multiply
    72,224.64x = 108,337.19 × 19,634.09
  4. Step 4: Simplify right side
    72,224.64x = 2,127,101,498.95
  5. Step 5: Solve for x
    x = 2,127,101,498.95/72,224.64
  6. Step 6: Final answer
    x = 29,451.19

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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.