Home / 37,391.12-51,583.56-21,471.92

Finding the Fourth Proportional to 37,391.12, 51,583.56 and 21,471.92

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Solution

The fourth proportional to 37,391.12, 51,583.56 and 21,471.92 is: 29,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,391.12 : 51,583.56 = 21,471.92 : x
  2. Step 2: Convert to fraction form
    37,391.12/51,583.56 = 21,471.92/x
  3. Step 3: Cross multiply
    37,391.12x = 51,583.56 × 21,471.92
  4. Step 4: Simplify right side
    37,391.12x = 1,107,598,073.64
  5. Step 5: Solve for x
    x = 1,107,598,073.64/37,391.12
  6. Step 6: Final answer
    x = 29,621.95

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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.