Home / 36,158.60-49,899.42-21,819.17

Finding the Fourth Proportional to 36,158.60, 49,899.42 and 21,819.17

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Solution

The fourth proportional to 36,158.60, 49,899.42 and 21,819.17 is: 30,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.60 : 49,899.42 = 21,819.17 : x
  2. Step 2: Convert to fraction form
    36,158.60/49,899.42 = 21,819.17/x
  3. Step 3: Cross multiply
    36,158.60x = 49,899.42 × 21,819.17
  4. Step 4: Simplify right side
    36,158.60x = 1,088,763,927.88
  5. Step 5: Solve for x
    x = 1,088,763,927.88/36,158.60
  6. Step 6: Final answer
    x = 30,110.79

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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.