Home / 40,049.04-60,070.20-12,347.28

Finding the Fourth Proportional to 40,049.04, 60,070.20 and 12,347.28

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Solution

The fourth proportional to 40,049.04, 60,070.20 and 12,347.28 is: 18,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.04 : 60,070.20 = 12,347.28 : x
  2. Step 2: Convert to fraction form
    40,049.04/60,070.20 = 12,347.28/x
  3. Step 3: Cross multiply
    40,049.04x = 60,070.20 × 12,347.28
  4. Step 4: Simplify right side
    40,049.04x = 741,703,579.06
  5. Step 5: Solve for x
    x = 741,703,579.06/40,049.04
  6. Step 6: Final answer
    x = 18,519.88

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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.