Home / 58,920.20-88,380.30-40,257.80

Finding the Fourth Proportional to 58,920.20, 88,380.30 and 40,257.80

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Solution

The fourth proportional to 58,920.20, 88,380.30 and 40,257.80 is: 60,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.20 : 88,380.30 = 40,257.80 : x
  2. Step 2: Convert to fraction form
    58,920.20/88,380.30 = 40,257.80/x
  3. Step 3: Cross multiply
    58,920.20x = 88,380.30 × 40,257.80
  4. Step 4: Simplify right side
    58,920.20x = 3,557,996,441.34
  5. Step 5: Solve for x
    x = 3,557,996,441.34/58,920.20
  6. Step 6: Final answer
    x = 60,386.70

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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.