Home / 30,227.13-41,732.03-19,490.55

Finding the Fourth Proportional to 30,227.13, 41,732.03 and 19,490.55

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Solution

The fourth proportional to 30,227.13, 41,732.03 and 19,490.55 is: 26,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.13 : 41,732.03 = 19,490.55 : x
  2. Step 2: Convert to fraction form
    30,227.13/41,732.03 = 19,490.55/x
  3. Step 3: Cross multiply
    30,227.13x = 41,732.03 × 19,490.55
  4. Step 4: Simplify right side
    30,227.13x = 813,380,217.32
  5. Step 5: Solve for x
    x = 813,380,217.32/30,227.13
  6. Step 6: Final answer
    x = 26,908.95

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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.