Home / 39,742.20-59,613.30-12,040.20

Finding the Fourth Proportional to 39,742.20, 59,613.30 and 12,040.20

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Solution

The fourth proportional to 39,742.20, 59,613.30 and 12,040.20 is: 18,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.20 : 59,613.30 = 12,040.20 : x
  2. Step 2: Convert to fraction form
    39,742.20/59,613.30 = 12,040.20/x
  3. Step 3: Cross multiply
    39,742.20x = 59,613.30 × 12,040.20
  4. Step 4: Simplify right side
    39,742.20x = 717,756,054.66
  5. Step 5: Solve for x
    x = 717,756,054.66/39,742.20
  6. Step 6: Final answer
    x = 18,060.30

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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.