Home / 40,243.24-55,502.10-30,193.96

Finding the Fourth Proportional to 40,243.24, 55,502.10 and 30,193.96

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Solution

The fourth proportional to 40,243.24, 55,502.10 and 30,193.96 is: 41,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.24 : 55,502.10 = 30,193.96 : x
  2. Step 2: Convert to fraction form
    40,243.24/55,502.10 = 30,193.96/x
  3. Step 3: Cross multiply
    40,243.24x = 55,502.10 × 30,193.96
  4. Step 4: Simplify right side
    40,243.24x = 1,675,828,187.32
  5. Step 5: Solve for x
    x = 1,675,828,187.32/40,243.24
  6. Step 6: Final answer
    x = 41,642.48

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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.