Home / 74,502-111,731.13-21,898.98

Finding the Fourth Proportional to 74,502, 111,731.13 and 21,898.98

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Solution

The fourth proportional to 74,502, 111,731.13 and 21,898.98 is: 32,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,502 : 111,731.13 = 21,898.98 : x
  2. Step 2: Convert to fraction form
    74,502/111,731.13 = 21,898.98/x
  3. Step 3: Cross multiply
    74,502x = 111,731.13 × 21,898.98
  4. Step 4: Simplify right side
    74,502x = 2,446,797,781.25
  5. Step 5: Solve for x
    x = 2,446,797,781.25/74,502
  6. Step 6: Final answer
    x = 32,842.04

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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.