Home / 30,641.20-42,288.82-17,212.46

Finding the Fourth Proportional to 30,641.20, 42,288.82 and 17,212.46

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Solution

The fourth proportional to 30,641.20, 42,288.82 and 17,212.46 is: 23,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.20 : 42,288.82 = 17,212.46 : x
  2. Step 2: Convert to fraction form
    30,641.20/42,288.82 = 17,212.46/x
  3. Step 3: Cross multiply
    30,641.20x = 42,288.82 × 17,212.46
  4. Step 4: Simplify right side
    30,641.20x = 727,894,622.70
  5. Step 5: Solve for x
    x = 727,894,622.70/30,641.20
  6. Step 6: Final answer
    x = 23,755.42

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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.