Home / 29,981.50-41,374.53-16,552.78

Finding the Fourth Proportional to 29,981.50, 41,374.53 and 16,552.78

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Solution

The fourth proportional to 29,981.50, 41,374.53 and 16,552.78 is: 22,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.50 : 41,374.53 = 16,552.78 : x
  2. Step 2: Convert to fraction form
    29,981.50/41,374.53 = 16,552.78/x
  3. Step 3: Cross multiply
    29,981.50x = 41,374.53 × 16,552.78
  4. Step 4: Simplify right side
    29,981.50x = 684,863,492.69
  5. Step 5: Solve for x
    x = 684,863,492.69/29,981.50
  6. Step 6: Final answer
    x = 22,842.87

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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.