Home / 29,531.81-44,248.38-20,751

Finding the Fourth Proportional to 29,531.81, 44,248.38 and 20,751

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Solution

The fourth proportional to 29,531.81, 44,248.38 and 20,751 is: 31,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.81 : 44,248.38 = 20,751 : x
  2. Step 2: Convert to fraction form
    29,531.81/44,248.38 = 20,751/x
  3. Step 3: Cross multiply
    29,531.81x = 44,248.38 × 20,751
  4. Step 4: Simplify right side
    29,531.81x = 918,198,133.38
  5. Step 5: Solve for x
    x = 918,198,133.38/29,531.81
  6. Step 6: Final answer
    x = 31,091.84

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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.