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Finding the Fourth Proportional to 39,868, 54,996.76 and 23,723.88

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Solution

The fourth proportional to 39,868, 54,996.76 and 23,723.88 is: 32,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868 : 54,996.76 = 23,723.88 : x
  2. Step 2: Convert to fraction form
    39,868/54,996.76 = 23,723.88/x
  3. Step 3: Cross multiply
    39,868x = 54,996.76 × 23,723.88
  4. Step 4: Simplify right side
    39,868x = 1,304,736,534.63
  5. Step 5: Solve for x
    x = 1,304,736,534.63/39,868
  6. Step 6: Final answer
    x = 32,726.41

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1.5x scale

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.