Home / 37,079.20-55,613.40-10,781.20

Finding the Fourth Proportional to 37,079.20, 55,613.40 and 10,781.20

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Solution

The fourth proportional to 37,079.20, 55,613.40 and 10,781.20 is: 16,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.20 : 55,613.40 = 10,781.20 : x
  2. Step 2: Convert to fraction form
    37,079.20/55,613.40 = 10,781.20/x
  3. Step 3: Cross multiply
    37,079.20x = 55,613.40 × 10,781.20
  4. Step 4: Simplify right side
    37,079.20x = 599,579,188.08
  5. Step 5: Solve for x
    x = 599,579,188.08/37,079.20
  6. Step 6: Final answer
    x = 16,170.23

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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.