Home / 39,760.11-54,865.65-22,760.43

Finding the Fourth Proportional to 39,760.11, 54,865.65 and 22,760.43

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Solution

The fourth proportional to 39,760.11, 54,865.65 and 22,760.43 is: 31,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.11 : 54,865.65 = 22,760.43 : x
  2. Step 2: Convert to fraction form
    39,760.11/54,865.65 = 22,760.43/x
  3. Step 3: Cross multiply
    39,760.11x = 54,865.65 × 22,760.43
  4. Step 4: Simplify right side
    39,760.11x = 1,248,765,786.23
  5. Step 5: Solve for x
    x = 1,248,765,786.23/39,760.11
  6. Step 6: Final answer
    x = 31,407.50

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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.