Home / 33,088.70-45,661.98-17,981.85

Finding the Fourth Proportional to 33,088.70, 45,661.98 and 17,981.85

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Solution

The fourth proportional to 33,088.70, 45,661.98 and 17,981.85 is: 24,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.70 : 45,661.98 = 17,981.85 : x
  2. Step 2: Convert to fraction form
    33,088.70/45,661.98 = 17,981.85/x
  3. Step 3: Cross multiply
    33,088.70x = 45,661.98 × 17,981.85
  4. Step 4: Simplify right side
    33,088.70x = 821,086,755.73
  5. Step 5: Solve for x
    x = 821,086,755.73/33,088.70
  6. Step 6: Final answer
    x = 24,814.72

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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.