Home / 40,032.11-55,247.18-22,126.74

Finding the Fourth Proportional to 40,032.11, 55,247.18 and 22,126.74

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Solution

The fourth proportional to 40,032.11, 55,247.18 and 22,126.74 is: 30,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.11 : 55,247.18 = 22,126.74 : x
  2. Step 2: Convert to fraction form
    40,032.11/55,247.18 = 22,126.74/x
  3. Step 3: Cross multiply
    40,032.11x = 55,247.18 × 22,126.74
  4. Step 4: Simplify right side
    40,032.11x = 1,222,439,711.36
  5. Step 5: Solve for x
    x = 1,222,439,711.36/40,032.11
  6. Step 6: Final answer
    x = 30,536.48

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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.