Home / 40,282.20-60,423.30-37,657.80

Finding the Fourth Proportional to 40,282.20, 60,423.30 and 37,657.80

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Solution

The fourth proportional to 40,282.20, 60,423.30 and 37,657.80 is: 56,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.20 : 60,423.30 = 37,657.80 : x
  2. Step 2: Convert to fraction form
    40,282.20/60,423.30 = 37,657.80/x
  3. Step 3: Cross multiply
    40,282.20x = 60,423.30 × 37,657.80
  4. Step 4: Simplify right side
    40,282.20x = 2,275,408,546.74
  5. Step 5: Solve for x
    x = 2,275,408,546.74/40,282.20
  6. Step 6: Final answer
    x = 56,486.70

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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.