Home / 40,377.08-55,707.82-22,911.53

Finding the Fourth Proportional to 40,377.08, 55,707.82 and 22,911.53

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Solution

The fourth proportional to 40,377.08, 55,707.82 and 22,911.53 is: 31,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.08 : 55,707.82 = 22,911.53 : x
  2. Step 2: Convert to fraction form
    40,377.08/55,707.82 = 22,911.53/x
  3. Step 3: Cross multiply
    40,377.08x = 55,707.82 × 22,911.53
  4. Step 4: Simplify right side
    40,377.08x = 1,276,351,471.16
  5. Step 5: Solve for x
    x = 1,276,351,471.16/40,377.08
  6. Step 6: Final answer
    x = 31,610.79

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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.