Home / 37,261.38-51,421.02-20,265.78

Finding the Fourth Proportional to 37,261.38, 51,421.02 and 20,265.78

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Solution

The fourth proportional to 37,261.38, 51,421.02 and 20,265.78 is: 27,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.38 : 51,421.02 = 20,265.78 : x
  2. Step 2: Convert to fraction form
    37,261.38/51,421.02 = 20,265.78/x
  3. Step 3: Cross multiply
    37,261.38x = 51,421.02 × 20,265.78
  4. Step 4: Simplify right side
    37,261.38x = 1,042,087,078.70
  5. Step 5: Solve for x
    x = 1,042,087,078.70/37,261.38
  6. Step 6: Final answer
    x = 27,966.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.