Home / 37,659.16-56,517.90-20,143.72

Finding the Fourth Proportional to 37,659.16, 56,517.90 and 20,143.72

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Solution

The fourth proportional to 37,659.16, 56,517.90 and 20,143.72 is: 30,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.16 : 56,517.90 = 20,143.72 : x
  2. Step 2: Convert to fraction form
    37,659.16/56,517.90 = 20,143.72/x
  3. Step 3: Cross multiply
    37,659.16x = 56,517.90 × 20,143.72
  4. Step 4: Simplify right side
    37,659.16x = 1,138,480,752.59
  5. Step 5: Solve for x
    x = 1,138,480,752.59/37,659.16
  6. Step 6: Final answer
    x = 30,231.18

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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.