Home / 29,751.30-44,581.32-20,358

Finding the Fourth Proportional to 29,751.30, 44,581.32 and 20,358

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Solution

The fourth proportional to 29,751.30, 44,581.32 and 20,358 is: 30,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,751.30 : 44,581.32 = 20,358 : x
  2. Step 2: Convert to fraction form
    29,751.30/44,581.32 = 20,358/x
  3. Step 3: Cross multiply
    29,751.30x = 44,581.32 × 20,358
  4. Step 4: Simplify right side
    29,751.30x = 907,586,512.56
  5. Step 5: Solve for x
    x = 907,586,512.56/29,751.30
  6. Step 6: Final answer
    x = 30,505.78

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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.