Home / 40,242.88-55,532.55-22,337.02

Finding the Fourth Proportional to 40,242.88, 55,532.55 and 22,337.02

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Solution

The fourth proportional to 40,242.88, 55,532.55 and 22,337.02 is: 30,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.88 : 55,532.55 = 22,337.02 : x
  2. Step 2: Convert to fraction form
    40,242.88/55,532.55 = 22,337.02/x
  3. Step 3: Cross multiply
    40,242.88x = 55,532.55 × 22,337.02
  4. Step 4: Simplify right side
    40,242.88x = 1,240,431,680.00
  5. Step 5: Solve for x
    x = 1,240,431,680.00/40,242.88
  6. Step 6: Final answer
    x = 30,823.63

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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.