Home / 38,184.20-52,704.24-21,422.60

Finding the Fourth Proportional to 38,184.20, 52,704.24 and 21,422.60

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Solution

The fourth proportional to 38,184.20, 52,704.24 and 21,422.60 is: 29,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184.20 : 52,704.24 = 21,422.60 : x
  2. Step 2: Convert to fraction form
    38,184.20/52,704.24 = 21,422.60/x
  3. Step 3: Cross multiply
    38,184.20x = 52,704.24 × 21,422.60
  4. Step 4: Simplify right side
    38,184.20x = 1,129,061,851.82
  5. Step 5: Solve for x
    x = 1,129,061,851.82/38,184.20
  6. Step 6: Final answer
    x = 29,568.82

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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.