Home / 40,891.29-61,311.81-15,902.20

Finding the Fourth Proportional to 40,891.29, 61,311.81 and 15,902.20

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Solution

The fourth proportional to 40,891.29, 61,311.81 and 15,902.20 is: 23,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.29 : 61,311.81 = 15,902.20 : x
  2. Step 2: Convert to fraction form
    40,891.29/61,311.81 = 15,902.20/x
  3. Step 3: Cross multiply
    40,891.29x = 61,311.81 × 15,902.20
  4. Step 4: Simplify right side
    40,891.29x = 974,993,022.40
  5. Step 5: Solve for x
    x = 974,993,022.40/40,891.29
  6. Step 6: Final answer
    x = 23,843.54

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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.