Home / 40,048.75-55,265.11-22,142.71

Finding the Fourth Proportional to 40,048.75, 55,265.11 and 22,142.71

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Solution

The fourth proportional to 40,048.75, 55,265.11 and 22,142.71 is: 30,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.75 : 55,265.11 = 22,142.71 : x
  2. Step 2: Convert to fraction form
    40,048.75/55,265.11 = 22,142.71/x
  3. Step 3: Cross multiply
    40,048.75x = 55,265.11 × 22,142.71
  4. Step 4: Simplify right side
    40,048.75x = 1,223,719,303.85
  5. Step 5: Solve for x
    x = 1,223,719,303.85/40,048.75
  6. Step 6: Final answer
    x = 30,555.74

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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.