Home / 40,851.28-61,290.12-20,060.20

Finding the Fourth Proportional to 40,851.28, 61,290.12 and 20,060.20

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Solution

The fourth proportional to 40,851.28, 61,290.12 and 20,060.20 is: 30,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,851.28 : 61,290.12 = 20,060.20 : x
  2. Step 2: Convert to fraction form
    40,851.28/61,290.12 = 20,060.20/x
  3. Step 3: Cross multiply
    40,851.28x = 61,290.12 × 20,060.20
  4. Step 4: Simplify right side
    40,851.28x = 1,229,492,065.22
  5. Step 5: Solve for x
    x = 1,229,492,065.22/40,851.28
  6. Step 6: Final answer
    x = 30,096.78

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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.