Home / 40,850.61-61,244.80-21,116.58

Finding the Fourth Proportional to 40,850.61, 61,244.80 and 21,116.58

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Solution

The fourth proportional to 40,850.61, 61,244.80 and 21,116.58 is: 31,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,850.61 : 61,244.80 = 21,116.58 : x
  2. Step 2: Convert to fraction form
    40,850.61/61,244.80 = 21,116.58/x
  3. Step 3: Cross multiply
    40,850.61x = 61,244.80 × 21,116.58
  4. Step 4: Simplify right side
    40,850.61x = 1,293,280,718.78
  5. Step 5: Solve for x
    x = 1,293,280,718.78/40,850.61
  6. Step 6: Final answer
    x = 31,658.79

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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.