Home / 42,835.75-64,177.30-36,531.81

Finding the Fourth Proportional to 42,835.75, 64,177.30 and 36,531.81

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Solution

The fourth proportional to 42,835.75, 64,177.30 and 36,531.81 is: 54,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,835.75 : 64,177.30 = 36,531.81 : x
  2. Step 2: Convert to fraction form
    42,835.75/64,177.30 = 36,531.81/x
  3. Step 3: Cross multiply
    42,835.75x = 64,177.30 × 36,531.81
  4. Step 4: Simplify right side
    42,835.75x = 2,344,512,929.91
  5. Step 5: Solve for x
    x = 2,344,512,929.91/42,835.75
  6. Step 6: Final answer
    x = 54,732.62

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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.