Home / 40,382.88-55,726.74-22,477.38

Finding the Fourth Proportional to 40,382.88, 55,726.74 and 22,477.38

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Solution

The fourth proportional to 40,382.88, 55,726.74 and 22,477.38 is: 31,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.88 : 55,726.74 = 22,477.38 : x
  2. Step 2: Convert to fraction form
    40,382.88/55,726.74 = 22,477.38/x
  3. Step 3: Cross multiply
    40,382.88x = 55,726.74 × 22,477.38
  4. Step 4: Simplify right side
    40,382.88x = 1,252,591,111.14
  5. Step 5: Solve for x
    x = 1,252,591,111.14/40,382.88
  6. Step 6: Final answer
    x = 31,017.87

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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.