Home / 40,284.51-60,436.17-12,204.78

Finding the Fourth Proportional to 40,284.51, 60,436.17 and 12,204.78

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Solution

The fourth proportional to 40,284.51, 60,436.17 and 12,204.78 is: 18,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.51 : 60,436.17 = 12,204.78 : x
  2. Step 2: Convert to fraction form
    40,284.51/60,436.17 = 12,204.78/x
  3. Step 3: Cross multiply
    40,284.51x = 60,436.17 × 12,204.78
  4. Step 4: Simplify right side
    40,284.51x = 737,610,158.89
  5. Step 5: Solve for x
    x = 737,610,158.89/40,284.51
  6. Step 6: Final answer
    x = 18,310.02

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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.