Home / 40,176.29-55,443.84-22,028.72

Finding the Fourth Proportional to 40,176.29, 55,443.84 and 22,028.72

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Solution

The fourth proportional to 40,176.29, 55,443.84 and 22,028.72 is: 30,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.29 : 55,443.84 = 22,028.72 : x
  2. Step 2: Convert to fraction form
    40,176.29/55,443.84 = 22,028.72/x
  3. Step 3: Cross multiply
    40,176.29x = 55,443.84 × 22,028.72
  4. Step 4: Simplify right side
    40,176.29x = 1,221,356,549.87
  5. Step 5: Solve for x
    x = 1,221,356,549.87/40,176.29
  6. Step 6: Final answer
    x = 30,399.94

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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.