Home / 40,395.12-55,743.98-22,489.22

Finding the Fourth Proportional to 40,395.12, 55,743.98 and 22,489.22

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Solution

The fourth proportional to 40,395.12, 55,743.98 and 22,489.22 is: 31,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.12 : 55,743.98 = 22,489.22 : x
  2. Step 2: Convert to fraction form
    40,395.12/55,743.98 = 22,489.22/x
  3. Step 3: Cross multiply
    40,395.12x = 55,743.98 × 22,489.22
  4. Step 4: Simplify right side
    40,395.12x = 1,253,638,238.73
  5. Step 5: Solve for x
    x = 1,253,638,238.73/40,395.12
  6. Step 6: Final answer
    x = 31,034.40

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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.