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Finding the Fourth Proportional to 50.04, 74.61 and 40.95

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Solution

The fourth proportional to 50.04, 74.61 and 40.95 is: 61.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.04 : 74.61 = 40.95 : x
  2. Step 2: Convert to fraction form
    50.04/74.61 = 40.95/x
  3. Step 3: Cross multiply
    50.04x = 74.61 × 40.95
  4. Step 4: Simplify right side
    50.04x = 3,055.28
  5. Step 5: Solve for x
    x = 3,055.28/50.04
  6. Step 6: Final answer
    x = 61.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.