Home / 38,565.24-53,219.30-21,797.88

Finding the Fourth Proportional to 38,565.24, 53,219.30 and 21,797.88

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Solution

The fourth proportional to 38,565.24, 53,219.30 and 21,797.88 is: 30,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.24 : 53,219.30 = 21,797.88 : x
  2. Step 2: Convert to fraction form
    38,565.24/53,219.30 = 21,797.88/x
  3. Step 3: Cross multiply
    38,565.24x = 53,219.30 × 21,797.88
  4. Step 4: Simplify right side
    38,565.24x = 1,160,067,915.08
  5. Step 5: Solve for x
    x = 1,160,067,915.08/38,565.24
  6. Step 6: Final answer
    x = 30,080.66

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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.