Home / 37,264.10-51,431.76-21,359.20

Finding the Fourth Proportional to 37,264.10, 51,431.76 and 21,359.20

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Solution

The fourth proportional to 37,264.10, 51,431.76 and 21,359.20 is: 29,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,264.10 : 51,431.76 = 21,359.20 : x
  2. Step 2: Convert to fraction form
    37,264.10/51,431.76 = 21,359.20/x
  3. Step 3: Cross multiply
    37,264.10x = 51,431.76 × 21,359.20
  4. Step 4: Simplify right side
    37,264.10x = 1,098,541,248.19
  5. Step 5: Solve for x
    x = 1,098,541,248.19/37,264.10
  6. Step 6: Final answer
    x = 29,479.88

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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.