Home / 40,721.76-61,101-25,926.84

Finding the Fourth Proportional to 40,721.76, 61,101 and 25,926.84

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Solution

The fourth proportional to 40,721.76, 61,101 and 25,926.84 is: 38,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.76 : 61,101 = 25,926.84 : x
  2. Step 2: Convert to fraction form
    40,721.76/61,101 = 25,926.84/x
  3. Step 3: Cross multiply
    40,721.76x = 61,101 × 25,926.84
  4. Step 4: Simplify right side
    40,721.76x = 1,584,155,850.84
  5. Step 5: Solve for x
    x = 1,584,155,850.84/40,721.76
  6. Step 6: Final answer
    x = 38,901.95

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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.