Home / 74,633.48-111,946.52-27,882.80

Finding the Fourth Proportional to 74,633.48, 111,946.52 and 27,882.80

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Solution

The fourth proportional to 74,633.48, 111,946.52 and 27,882.80 is: 41,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.48 : 111,946.52 = 27,882.80 : x
  2. Step 2: Convert to fraction form
    74,633.48/111,946.52 = 27,882.80/x
  3. Step 3: Cross multiply
    74,633.48x = 111,946.52 × 27,882.80
  4. Step 4: Simplify right side
    74,633.48x = 3,121,381,728.71
  5. Step 5: Solve for x
    x = 3,121,381,728.71/74,633.48
  6. Step 6: Final answer
    x = 41,822.81

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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.