Home / 40,212.54-60,319.25-12,132.84

Finding the Fourth Proportional to 40,212.54, 60,319.25 and 12,132.84

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Solution

The fourth proportional to 40,212.54, 60,319.25 and 12,132.84 is: 18,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.54 : 60,319.25 = 12,132.84 : x
  2. Step 2: Convert to fraction form
    40,212.54/60,319.25 = 12,132.84/x
  3. Step 3: Cross multiply
    40,212.54x = 60,319.25 × 12,132.84
  4. Step 4: Simplify right side
    40,212.54x = 731,843,809.17
  5. Step 5: Solve for x
    x = 731,843,809.17/40,212.54
  6. Step 6: Final answer
    x = 18,199.39

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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.