Home / 40,132.07-55,381.56-22,226.69

Finding the Fourth Proportional to 40,132.07, 55,381.56 and 22,226.69

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Solution

The fourth proportional to 40,132.07, 55,381.56 and 22,226.69 is: 30,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.07 : 55,381.56 = 22,226.69 : x
  2. Step 2: Convert to fraction form
    40,132.07/55,381.56 = 22,226.69/x
  3. Step 3: Cross multiply
    40,132.07x = 55,381.56 × 22,226.69
  4. Step 4: Simplify right side
    40,132.07x = 1,230,948,904.29
  5. Step 5: Solve for x
    x = 1,230,948,904.29/40,132.07
  6. Step 6: Final answer
    x = 30,672.45

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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.