Home / 29,729.85-44,602.19-20,981.85

Finding the Fourth Proportional to 29,729.85, 44,602.19 and 20,981.85

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Solution

The fourth proportional to 29,729.85, 44,602.19 and 20,981.85 is: 31,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,729.85 : 44,602.19 = 20,981.85 : x
  2. Step 2: Convert to fraction form
    29,729.85/44,602.19 = 20,981.85/x
  3. Step 3: Cross multiply
    29,729.85x = 44,602.19 × 20,981.85
  4. Step 4: Simplify right side
    29,729.85x = 935,836,460.25
  5. Step 5: Solve for x
    x = 935,836,460.25/29,729.85
  6. Step 6: Final answer
    x = 31,478.01

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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.