Home / 37,115.28-55,680.12-13,741.92

Finding the Fourth Proportional to 37,115.28, 55,680.12 and 13,741.92

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Solution

The fourth proportional to 37,115.28, 55,680.12 and 13,741.92 is: 20,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.28 : 55,680.12 = 13,741.92 : x
  2. Step 2: Convert to fraction form
    37,115.28/55,680.12 = 13,741.92/x
  3. Step 3: Cross multiply
    37,115.28x = 55,680.12 × 13,741.92
  4. Step 4: Simplify right side
    37,115.28x = 765,151,754.63
  5. Step 5: Solve for x
    x = 765,151,754.63/37,115.28
  6. Step 6: Final answer
    x = 20,615.55

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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.