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Finding the Fourth Proportional to 40,884, 60,968.19 and 40,510.32

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Solution

The fourth proportional to 40,884, 60,968.19 and 40,510.32 is: 60,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884 : 60,968.19 = 40,510.32 : x
  2. Step 2: Convert to fraction form
    40,884/60,968.19 = 40,510.32/x
  3. Step 3: Cross multiply
    40,884x = 60,968.19 × 40,510.32
  4. Step 4: Simplify right side
    40,884x = 2,469,840,886.72
  5. Step 5: Solve for x
    x = 2,469,840,886.72/40,884
  6. Step 6: Final answer
    x = 60,410.94

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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.