Home / 34,608.16-47,760.15-21,179.17

Finding the Fourth Proportional to 34,608.16, 47,760.15 and 21,179.17

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Solution

The fourth proportional to 34,608.16, 47,760.15 and 21,179.17 is: 29,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,608.16 : 47,760.15 = 21,179.17 : x
  2. Step 2: Convert to fraction form
    34,608.16/47,760.15 = 21,179.17/x
  3. Step 3: Cross multiply
    34,608.16x = 47,760.15 × 21,179.17
  4. Step 4: Simplify right side
    34,608.16x = 1,011,520,336.08
  5. Step 5: Solve for x
    x = 1,011,520,336.08/34,608.16
  6. Step 6: Final answer
    x = 29,227.80

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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.