Home / 29,387.55-40,559.40-16,641.39

Finding the Fourth Proportional to 29,387.55, 40,559.40 and 16,641.39

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Solution

The fourth proportional to 29,387.55, 40,559.40 and 16,641.39 is: 22,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.55 : 40,559.40 = 16,641.39 : x
  2. Step 2: Convert to fraction form
    29,387.55/40,559.40 = 16,641.39/x
  3. Step 3: Cross multiply
    29,387.55x = 40,559.40 × 16,641.39
  4. Step 4: Simplify right side
    29,387.55x = 674,964,793.57
  5. Step 5: Solve for x
    x = 674,964,793.57/29,387.55
  6. Step 6: Final answer
    x = 22,967.71

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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.