Home / 40,868.51-61,306.72-15,910.59

Finding the Fourth Proportional to 40,868.51, 61,306.72 and 15,910.59

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Solution

The fourth proportional to 40,868.51, 61,306.72 and 15,910.59 is: 23,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.51 : 61,306.72 = 15,910.59 : x
  2. Step 2: Convert to fraction form
    40,868.51/61,306.72 = 15,910.59/x
  3. Step 3: Cross multiply
    40,868.51x = 61,306.72 × 15,910.59
  4. Step 4: Simplify right side
    40,868.51x = 975,426,046.39
  5. Step 5: Solve for x
    x = 975,426,046.39/40,868.51
  6. Step 6: Final answer
    x = 23,867.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.