Home / 40,836.20-61,254.30-13,134.20

Finding the Fourth Proportional to 40,836.20, 61,254.30 and 13,134.20

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Solution

The fourth proportional to 40,836.20, 61,254.30 and 13,134.20 is: 19,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.20 : 61,254.30 = 13,134.20 : x
  2. Step 2: Convert to fraction form
    40,836.20/61,254.30 = 13,134.20/x
  3. Step 3: Cross multiply
    40,836.20x = 61,254.30 × 13,134.20
  4. Step 4: Simplify right side
    40,836.20x = 804,526,227.06
  5. Step 5: Solve for x
    x = 804,526,227.06/40,836.20
  6. Step 6: Final answer
    x = 19,701.30

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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.