Home / 53,789.68-74,229.24-29,915.20

Finding the Fourth Proportional to 53,789.68, 74,229.24 and 29,915.20

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Solution

The fourth proportional to 53,789.68, 74,229.24 and 29,915.20 is: 41,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.68 : 74,229.24 = 29,915.20 : x
  2. Step 2: Convert to fraction form
    53,789.68/74,229.24 = 29,915.20/x
  3. Step 3: Cross multiply
    53,789.68x = 74,229.24 × 29,915.20
  4. Step 4: Simplify right side
    53,789.68x = 2,220,582,560.45
  5. Step 5: Solve for x
    x = 2,220,582,560.45/53,789.68
  6. Step 6: Final answer
    x = 41,282.69

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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.