Home / 29,981.76-41,371.20-16,551.96

Finding the Fourth Proportional to 29,981.76, 41,371.20 and 16,551.96

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Solution

The fourth proportional to 29,981.76, 41,371.20 and 16,551.96 is: 22,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.76 : 41,371.20 = 16,551.96 : x
  2. Step 2: Convert to fraction form
    29,981.76/41,371.20 = 16,551.96/x
  3. Step 3: Cross multiply
    29,981.76x = 41,371.20 × 16,551.96
  4. Step 4: Simplify right side
    29,981.76x = 684,774,447.55
  5. Step 5: Solve for x
    x = 684,774,447.55/29,981.76
  6. Step 6: Final answer
    x = 22,839.70

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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.