Home / 40,731.76-61,116-25,936.84

Finding the Fourth Proportional to 40,731.76, 61,116 and 25,936.84

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Solution

The fourth proportional to 40,731.76, 61,116 and 25,936.84 is: 38,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.76 : 61,116 = 25,936.84 : x
  2. Step 2: Convert to fraction form
    40,731.76/61,116 = 25,936.84/x
  3. Step 3: Cross multiply
    40,731.76x = 61,116 × 25,936.84
  4. Step 4: Simplify right side
    40,731.76x = 1,585,155,913.44
  5. Step 5: Solve for x
    x = 1,585,155,913.44/40,731.76
  6. Step 6: Final answer
    x = 38,916.95

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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.