Home / 34,439.15-51,659.30-9,479.05

Finding the Fourth Proportional to 34,439.15, 51,659.30 and 9,479.05

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Solution

The fourth proportional to 34,439.15, 51,659.30 and 9,479.05 is: 14,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,439.15 : 51,659.30 = 9,479.05 : x
  2. Step 2: Convert to fraction form
    34,439.15/51,659.30 = 9,479.05/x
  3. Step 3: Cross multiply
    34,439.15x = 51,659.30 × 9,479.05
  4. Step 4: Simplify right side
    34,439.15x = 489,680,982.21
  5. Step 5: Solve for x
    x = 489,680,982.21/34,439.15
  6. Step 6: Final answer
    x = 14,218.73

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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.