Home / 31,818.19-43,909.10-17,672.35

Finding the Fourth Proportional to 31,818.19, 43,909.10 and 17,672.35

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Solution

The fourth proportional to 31,818.19, 43,909.10 and 17,672.35 is: 24,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.19 : 43,909.10 = 17,672.35 : x
  2. Step 2: Convert to fraction form
    31,818.19/43,909.10 = 17,672.35/x
  3. Step 3: Cross multiply
    31,818.19x = 43,909.10 × 17,672.35
  4. Step 4: Simplify right side
    31,818.19x = 775,976,851.52
  5. Step 5: Solve for x
    x = 775,976,851.52/31,818.19
  6. Step 6: Final answer
    x = 24,387.84

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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.