Home / 31,854.80-43,843.56-28,053.11

Finding the Fourth Proportional to 31,854.80, 43,843.56 and 28,053.11

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Solution

The fourth proportional to 31,854.80, 43,843.56 and 28,053.11 is: 38,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854.80 : 43,843.56 = 28,053.11 : x
  2. Step 2: Convert to fraction form
    31,854.80/43,843.56 = 28,053.11/x
  3. Step 3: Cross multiply
    31,854.80x = 43,843.56 × 28,053.11
  4. Step 4: Simplify right side
    31,854.80x = 1,229,948,211.47
  5. Step 5: Solve for x
    x = 1,229,948,211.47/31,854.80
  6. Step 6: Final answer
    x = 38,611.08

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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.