Home / 40,097.28-60,124.16-12,013.44

Finding the Fourth Proportional to 40,097.28, 60,124.16 and 12,013.44

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Solution

The fourth proportional to 40,097.28, 60,124.16 and 12,013.44 is: 18,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097.28 : 60,124.16 = 12,013.44 : x
  2. Step 2: Convert to fraction form
    40,097.28/60,124.16 = 12,013.44/x
  3. Step 3: Cross multiply
    40,097.28x = 60,124.16 × 12,013.44
  4. Step 4: Simplify right side
    40,097.28x = 722,297,988.71
  5. Step 5: Solve for x
    x = 722,297,988.71/40,097.28
  6. Step 6: Final answer
    x = 18,013.64

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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.