Home / 40,204.14-60,289.98-12,115.50

Finding the Fourth Proportional to 40,204.14, 60,289.98 and 12,115.50

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Solution

The fourth proportional to 40,204.14, 60,289.98 and 12,115.50 is: 18,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.14 : 60,289.98 = 12,115.50 : x
  2. Step 2: Convert to fraction form
    40,204.14/60,289.98 = 12,115.50/x
  3. Step 3: Cross multiply
    40,204.14x = 60,289.98 × 12,115.50
  4. Step 4: Simplify right side
    40,204.14x = 730,443,252.69
  5. Step 5: Solve for x
    x = 730,443,252.69/40,204.14
  6. Step 6: Final answer
    x = 18,168.36

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1.5x scale

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.