Home / 30,694.80-46,042.18-20,304.12

Finding the Fourth Proportional to 30,694.80, 46,042.18 and 20,304.12

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Solution

The fourth proportional to 30,694.80, 46,042.18 and 20,304.12 is: 30,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.80 : 46,042.18 = 20,304.12 : x
  2. Step 2: Convert to fraction form
    30,694.80/46,042.18 = 20,304.12/x
  3. Step 3: Cross multiply
    30,694.80x = 46,042.18 × 20,304.12
  4. Step 4: Simplify right side
    30,694.80x = 934,845,947.78
  5. Step 5: Solve for x
    x = 934,845,947.78/30,694.80
  6. Step 6: Final answer
    x = 30,456.17

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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.