Home / 40,178.16-55,448.28-22,273.92

Finding the Fourth Proportional to 40,178.16, 55,448.28 and 22,273.92

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Solution

The fourth proportional to 40,178.16, 55,448.28 and 22,273.92 is: 30,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.16 : 55,448.28 = 22,273.92 : x
  2. Step 2: Convert to fraction form
    40,178.16/55,448.28 = 22,273.92/x
  3. Step 3: Cross multiply
    40,178.16x = 55,448.28 × 22,273.92
  4. Step 4: Simplify right side
    40,178.16x = 1,235,050,552.86
  5. Step 5: Solve for x
    x = 1,235,050,552.86/40,178.16
  6. Step 6: Final answer
    x = 30,739.35

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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.