Home / 30,306.96-41,840.96-20,252.43

Finding the Fourth Proportional to 30,306.96, 41,840.96 and 20,252.43

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Solution

The fourth proportional to 30,306.96, 41,840.96 and 20,252.43 is: 27,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.96 : 41,840.96 = 20,252.43 : x
  2. Step 2: Convert to fraction form
    30,306.96/41,840.96 = 20,252.43/x
  3. Step 3: Cross multiply
    30,306.96x = 41,840.96 × 20,252.43
  4. Step 4: Simplify right side
    30,306.96x = 847,381,012.27
  5. Step 5: Solve for x
    x = 847,381,012.27/30,306.96
  6. Step 6: Final answer
    x = 27,959.95

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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.