Home / 44,402.40-66,636.45-21,028.88

Finding the Fourth Proportional to 44,402.40, 66,636.45 and 21,028.88

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Solution

The fourth proportional to 44,402.40, 66,636.45 and 21,028.88 is: 31,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,402.40 : 66,636.45 = 21,028.88 : x
  2. Step 2: Convert to fraction form
    44,402.40/66,636.45 = 21,028.88/x
  3. Step 3: Cross multiply
    44,402.40x = 66,636.45 × 21,028.88
  4. Step 4: Simplify right side
    44,402.40x = 1,401,289,910.68
  5. Step 5: Solve for x
    x = 1,401,289,910.68/44,402.40
  6. Step 6: Final answer
    x = 31,558.88

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1.5x scale

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.