Home / 40,309.40-60,464.25-12,229.70

Finding the Fourth Proportional to 40,309.40, 60,464.25 and 12,229.70

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Solution

The fourth proportional to 40,309.40, 60,464.25 and 12,229.70 is: 18,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.40 : 60,464.25 = 12,229.70 : x
  2. Step 2: Convert to fraction form
    40,309.40/60,464.25 = 12,229.70/x
  3. Step 3: Cross multiply
    40,309.40x = 60,464.25 × 12,229.70
  4. Step 4: Simplify right side
    40,309.40x = 739,459,274.76
  5. Step 5: Solve for x
    x = 739,459,274.76/40,309.40
  6. Step 6: Final answer
    x = 18,344.59

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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.