Home / 36,826.60-55,288.10-21,861.04

Finding the Fourth Proportional to 36,826.60, 55,288.10 and 21,861.04

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Solution

The fourth proportional to 36,826.60, 55,288.10 and 21,861.04 is: 32,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.60 : 55,288.10 = 21,861.04 : x
  2. Step 2: Convert to fraction form
    36,826.60/55,288.10 = 21,861.04/x
  3. Step 3: Cross multiply
    36,826.60x = 55,288.10 × 21,861.04
  4. Step 4: Simplify right side
    36,826.60x = 1,208,655,365.62
  5. Step 5: Solve for x
    x = 1,208,655,365.62/36,826.60
  6. Step 6: Final answer
    x = 32,820.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.