Home / 40,032.12-55,243.71-22,126.80

Finding the Fourth Proportional to 40,032.12, 55,243.71 and 22,126.80

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Solution

The fourth proportional to 40,032.12, 55,243.71 and 22,126.80 is: 30,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.12 : 55,243.71 = 22,126.80 : x
  2. Step 2: Convert to fraction form
    40,032.12/55,243.71 = 22,126.80/x
  3. Step 3: Cross multiply
    40,032.12x = 55,243.71 × 22,126.80
  4. Step 4: Simplify right side
    40,032.12x = 1,222,366,522.43
  5. Step 5: Solve for x
    x = 1,222,366,522.43/40,032.12
  6. Step 6: Final answer
    x = 30,534.64

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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.