Home / 40,040.14-55,254.80-22,134.76

Finding the Fourth Proportional to 40,040.14, 55,254.80 and 22,134.76

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Solution

The fourth proportional to 40,040.14, 55,254.80 and 22,134.76 is: 30,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.14 : 55,254.80 = 22,134.76 : x
  2. Step 2: Convert to fraction form
    40,040.14/55,254.80 = 22,134.76/x
  3. Step 3: Cross multiply
    40,040.14x = 55,254.80 × 22,134.76
  4. Step 4: Simplify right side
    40,040.14x = 1,223,051,736.85
  5. Step 5: Solve for x
    x = 1,223,051,736.85/40,040.14
  6. Step 6: Final answer
    x = 30,545.64

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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.