Home / 44,708.88-66,961.20-21,351.84

Finding the Fourth Proportional to 44,708.88, 66,961.20 and 21,351.84

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Solution

The fourth proportional to 44,708.88, 66,961.20 and 21,351.84 is: 31,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,708.88 : 66,961.20 = 21,351.84 : x
  2. Step 2: Convert to fraction form
    44,708.88/66,961.20 = 21,351.84/x
  3. Step 3: Cross multiply
    44,708.88x = 66,961.20 × 21,351.84
  4. Step 4: Simplify right side
    44,708.88x = 1,429,744,828.61
  5. Step 5: Solve for x
    x = 1,429,744,828.61/44,708.88
  6. Step 6: Final answer
    x = 31,978.99

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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.