Home / 29,148.75-43,732.35-10,428.37

Finding the Fourth Proportional to 29,148.75, 43,732.35 and 10,428.37

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Solution

The fourth proportional to 29,148.75, 43,732.35 and 10,428.37 is: 15,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.75 : 43,732.35 = 10,428.37 : x
  2. Step 2: Convert to fraction form
    29,148.75/43,732.35 = 10,428.37/x
  3. Step 3: Cross multiply
    29,148.75x = 43,732.35 × 10,428.37
  4. Step 4: Simplify right side
    29,148.75x = 456,056,965.30
  5. Step 5: Solve for x
    x = 456,056,965.30/29,148.75
  6. Step 6: Final answer
    x = 15,645.85

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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.