Home / 40,958.88-61,387.20-17,558.16

Finding the Fourth Proportional to 40,958.88, 61,387.20 and 17,558.16

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Solution

The fourth proportional to 40,958.88, 61,387.20 and 17,558.16 is: 26,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.88 : 61,387.20 = 17,558.16 : x
  2. Step 2: Convert to fraction form
    40,958.88/61,387.20 = 17,558.16/x
  3. Step 3: Cross multiply
    40,958.88x = 61,387.20 × 17,558.16
  4. Step 4: Simplify right side
    40,958.88x = 1,077,846,279.55
  5. Step 5: Solve for x
    x = 1,077,846,279.55/40,958.88
  6. Step 6: Final answer
    x = 26,315.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.