Home / 40,299.88-60,426.06-12,211.40

Finding the Fourth Proportional to 40,299.88, 60,426.06 and 12,211.40

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Solution

The fourth proportional to 40,299.88, 60,426.06 and 12,211.40 is: 18,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.88 : 60,426.06 = 12,211.40 : x
  2. Step 2: Convert to fraction form
    40,299.88/60,426.06 = 12,211.40/x
  3. Step 3: Cross multiply
    40,299.88x = 60,426.06 × 12,211.40
  4. Step 4: Simplify right side
    40,299.88x = 737,886,789.08
  5. Step 5: Solve for x
    x = 737,886,789.08/40,299.88
  6. Step 6: Final answer
    x = 18,309.90

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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.