Home / 41,116.92-61,681.20-12,656.22

Finding the Fourth Proportional to 41,116.92, 61,681.20 and 12,656.22

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Solution

The fourth proportional to 41,116.92, 61,681.20 and 12,656.22 is: 18,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,116.92 : 61,681.20 = 12,656.22 : x
  2. Step 2: Convert to fraction form
    41,116.92/61,681.20 = 12,656.22/x
  3. Step 3: Cross multiply
    41,116.92x = 61,681.20 × 12,656.22
  4. Step 4: Simplify right side
    41,116.92x = 780,650,837.06
  5. Step 5: Solve for x
    x = 780,650,837.06/41,116.92
  6. Step 6: Final answer
    x = 18,986.12

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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.