Home / 40,012.29-60,024.92-12,310.29

Finding the Fourth Proportional to 40,012.29, 60,024.92 and 12,310.29

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Solution

The fourth proportional to 40,012.29, 60,024.92 and 12,310.29 is: 18,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.29 : 60,024.92 = 12,310.29 : x
  2. Step 2: Convert to fraction form
    40,012.29/60,024.92 = 12,310.29/x
  3. Step 3: Cross multiply
    40,012.29x = 60,024.92 × 12,310.29
  4. Step 4: Simplify right side
    40,012.29x = 738,924,110.88
  5. Step 5: Solve for x
    x = 738,924,110.88/40,012.29
  6. Step 6: Final answer
    x = 18,467.43

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1.5x scale

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.