Home / 40,725.66-61,098.04-12,644.28

Finding the Fourth Proportional to 40,725.66, 61,098.04 and 12,644.28

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Solution

The fourth proportional to 40,725.66, 61,098.04 and 12,644.28 is: 18,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.66 : 61,098.04 = 12,644.28 : x
  2. Step 2: Convert to fraction form
    40,725.66/61,098.04 = 12,644.28/x
  3. Step 3: Cross multiply
    40,725.66x = 61,098.04 × 12,644.28
  4. Step 4: Simplify right side
    40,725.66x = 772,540,725.21
  5. Step 5: Solve for x
    x = 772,540,725.21/40,725.66
  6. Step 6: Final answer
    x = 18,969.39

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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.