Home / 40,167.81-55,431.72-22,263.12

Finding the Fourth Proportional to 40,167.81, 55,431.72 and 22,263.12

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Solution

The fourth proportional to 40,167.81, 55,431.72 and 22,263.12 is: 30,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.81 : 55,431.72 = 22,263.12 : x
  2. Step 2: Convert to fraction form
    40,167.81/55,431.72 = 22,263.12/x
  3. Step 3: Cross multiply
    40,167.81x = 55,431.72 × 22,263.12
  4. Step 4: Simplify right side
    40,167.81x = 1,234,083,034.17
  5. Step 5: Solve for x
    x = 1,234,083,034.17/40,167.81
  6. Step 6: Final answer
    x = 30,723.18

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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.