Home / 74,373.38-111,545.74-21,064.95

Finding the Fourth Proportional to 74,373.38, 111,545.74 and 21,064.95

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Solution

The fourth proportional to 74,373.38, 111,545.74 and 21,064.95 is: 31,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373.38 : 111,545.74 = 21,064.95 : x
  2. Step 2: Convert to fraction form
    74,373.38/111,545.74 = 21,064.95/x
  3. Step 3: Cross multiply
    74,373.38x = 111,545.74 × 21,064.95
  4. Step 4: Simplify right side
    74,373.38x = 2,349,705,383.15
  5. Step 5: Solve for x
    x = 2,349,705,383.15/74,373.38
  6. Step 6: Final answer
    x = 31,593.36

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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.