Home / 37,583.28-51,864.17-21,666.78

Finding the Fourth Proportional to 37,583.28, 51,864.17 and 21,666.78

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Solution

The fourth proportional to 37,583.28, 51,864.17 and 21,666.78 is: 29,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,583.28 : 51,864.17 = 21,666.78 : x
  2. Step 2: Convert to fraction form
    37,583.28/51,864.17 = 21,666.78/x
  3. Step 3: Cross multiply
    37,583.28x = 51,864.17 × 21,666.78
  4. Step 4: Simplify right side
    37,583.28x = 1,123,729,452.94
  5. Step 5: Solve for x
    x = 1,123,729,452.94/37,583.28
  6. Step 6: Final answer
    x = 29,899.72

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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.