Home / 38,573.75-53,229.26-21,575.04

Finding the Fourth Proportional to 38,573.75, 53,229.26 and 21,575.04

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Solution

The fourth proportional to 38,573.75, 53,229.26 and 21,575.04 is: 29,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.75 : 53,229.26 = 21,575.04 : x
  2. Step 2: Convert to fraction form
    38,573.75/53,229.26 = 21,575.04/x
  3. Step 3: Cross multiply
    38,573.75x = 53,229.26 × 21,575.04
  4. Step 4: Simplify right side
    38,573.75x = 1,148,423,305.80
  5. Step 5: Solve for x
    x = 1,148,423,305.80/38,573.75
  6. Step 6: Final answer
    x = 29,772.15

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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.