Home / 40,951.38-61,424.16-15,986.76

Finding the Fourth Proportional to 40,951.38, 61,424.16 and 15,986.76

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Solution

The fourth proportional to 40,951.38, 61,424.16 and 15,986.76 is: 23,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,951.38 : 61,424.16 = 15,986.76 : x
  2. Step 2: Convert to fraction form
    40,951.38/61,424.16 = 15,986.76/x
  3. Step 3: Cross multiply
    40,951.38x = 61,424.16 × 15,986.76
  4. Step 4: Simplify right side
    40,951.38x = 981,973,304.12
  5. Step 5: Solve for x
    x = 981,973,304.12/40,951.38
  6. Step 6: Final answer
    x = 23,979.00

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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.