Home / 44,401.60-66,493.05-21,000.70

Finding the Fourth Proportional to 44,401.60, 66,493.05 and 21,000.70

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Solution

The fourth proportional to 44,401.60, 66,493.05 and 21,000.70 is: 31,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,401.60 : 66,493.05 = 21,000.70 : x
  2. Step 2: Convert to fraction form
    44,401.60/66,493.05 = 21,000.70/x
  3. Step 3: Cross multiply
    44,401.60x = 66,493.05 × 21,000.70
  4. Step 4: Simplify right side
    44,401.60x = 1,396,400,595.14
  5. Step 5: Solve for x
    x = 1,396,400,595.14/44,401.60
  6. Step 6: Final answer
    x = 31,449.33

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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.