Home / 40,390.82-55,739.29-22,490.04

Finding the Fourth Proportional to 40,390.82, 55,739.29 and 22,490.04

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Solution

The fourth proportional to 40,390.82, 55,739.29 and 22,490.04 is: 31,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.82 : 55,739.29 = 22,490.04 : x
  2. Step 2: Convert to fraction form
    40,390.82/55,739.29 = 22,490.04/x
  3. Step 3: Cross multiply
    40,390.82x = 55,739.29 × 22,490.04
  4. Step 4: Simplify right side
    40,390.82x = 1,253,579,098.81
  5. Step 5: Solve for x
    x = 1,253,579,098.81/40,390.82
  6. Step 6: Final answer
    x = 31,036.24

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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.