Home / 29,335.80-40,473.48-18,731.55

Finding the Fourth Proportional to 29,335.80, 40,473.48 and 18,731.55

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Solution

The fourth proportional to 29,335.80, 40,473.48 and 18,731.55 is: 25,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.80 : 40,473.48 = 18,731.55 : x
  2. Step 2: Convert to fraction form
    29,335.80/40,473.48 = 18,731.55/x
  3. Step 3: Cross multiply
    29,335.80x = 40,473.48 × 18,731.55
  4. Step 4: Simplify right side
    29,335.80x = 758,131,014.29
  5. Step 5: Solve for x
    x = 758,131,014.29/29,335.80
  6. Step 6: Final answer
    x = 25,843.20

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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.