Home / 40,050.20-55,264.32-22,145.55

Finding the Fourth Proportional to 40,050.20, 55,264.32 and 22,145.55

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Solution

The fourth proportional to 40,050.20, 55,264.32 and 22,145.55 is: 30,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,050.20 : 55,264.32 = 22,145.55 : x
  2. Step 2: Convert to fraction form
    40,050.20/55,264.32 = 22,145.55/x
  3. Step 3: Cross multiply
    40,050.20x = 55,264.32 × 22,145.55
  4. Step 4: Simplify right side
    40,050.20x = 1,223,858,761.78
  5. Step 5: Solve for x
    x = 1,223,858,761.78/40,050.20
  6. Step 6: Final answer
    x = 30,558.12

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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.