Home / 40,032.75-55,242.97-22,126.69

Finding the Fourth Proportional to 40,032.75, 55,242.97 and 22,126.69

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Solution

The fourth proportional to 40,032.75, 55,242.97 and 22,126.69 is: 30,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.75 : 55,242.97 = 22,126.69 : x
  2. Step 2: Convert to fraction form
    40,032.75/55,242.97 = 22,126.69/x
  3. Step 3: Cross multiply
    40,032.75x = 55,242.97 × 22,126.69
  4. Step 4: Simplify right side
    40,032.75x = 1,222,344,071.87
  5. Step 5: Solve for x
    x = 1,222,344,071.87/40,032.75
  6. Step 6: Final answer
    x = 30,533.60

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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.