Home / 34,234.92-47,229.66-21,479.40

Finding the Fourth Proportional to 34,234.92, 47,229.66 and 21,479.40

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Solution

The fourth proportional to 34,234.92, 47,229.66 and 21,479.40 is: 29,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.92 : 47,229.66 = 21,479.40 : x
  2. Step 2: Convert to fraction form
    34,234.92/47,229.66 = 21,479.40/x
  3. Step 3: Cross multiply
    34,234.92x = 47,229.66 × 21,479.40
  4. Step 4: Simplify right side
    34,234.92x = 1,014,464,759.00
  5. Step 5: Solve for x
    x = 1,014,464,759.00/34,234.92
  6. Step 6: Final answer
    x = 29,632.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.