Home / 40,492.20-60,738.30-38,029.80

Finding the Fourth Proportional to 40,492.20, 60,738.30 and 38,029.80

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Solution

The fourth proportional to 40,492.20, 60,738.30 and 38,029.80 is: 57,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.20 : 60,738.30 = 38,029.80 : x
  2. Step 2: Convert to fraction form
    40,492.20/60,738.30 = 38,029.80/x
  3. Step 3: Cross multiply
    40,492.20x = 60,738.30 × 38,029.80
  4. Step 4: Simplify right side
    40,492.20x = 2,309,865,401.34
  5. Step 5: Solve for x
    x = 2,309,865,401.34/40,492.20
  6. Step 6: Final answer
    x = 57,044.70

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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.