Home / 40,463.81-55,840.31-22,559.96

Finding the Fourth Proportional to 40,463.81, 55,840.31 and 22,559.96

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Solution

The fourth proportional to 40,463.81, 55,840.31 and 22,559.96 is: 31,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,463.81 : 55,840.31 = 22,559.96 : x
  2. Step 2: Convert to fraction form
    40,463.81/55,840.31 = 22,559.96/x
  3. Step 3: Cross multiply
    40,463.81x = 55,840.31 × 22,559.96
  4. Step 4: Simplify right side
    40,463.81x = 1,259,755,047.19
  5. Step 5: Solve for x
    x = 1,259,755,047.19/40,463.81
  6. Step 6: Final answer
    x = 31,132.88

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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.