Home / 34,600.39-47,728.65-21,849.04

Finding the Fourth Proportional to 34,600.39, 47,728.65 and 21,849.04

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Solution

The fourth proportional to 34,600.39, 47,728.65 and 21,849.04 is: 30,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,600.39 : 47,728.65 = 21,849.04 : x
  2. Step 2: Convert to fraction form
    34,600.39/47,728.65 = 21,849.04/x
  3. Step 3: Cross multiply
    34,600.39x = 47,728.65 × 21,849.04
  4. Step 4: Simplify right side
    34,600.39x = 1,042,825,183.00
  5. Step 5: Solve for x
    x = 1,042,825,183.00/34,600.39
  6. Step 6: Final answer
    x = 30,139.12

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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.