Home / 38,949.15-58,437.29-12,299.25

Finding the Fourth Proportional to 38,949.15, 58,437.29 and 12,299.25

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Solution

The fourth proportional to 38,949.15, 58,437.29 and 12,299.25 is: 18,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.15 : 58,437.29 = 12,299.25 : x
  2. Step 2: Convert to fraction form
    38,949.15/58,437.29 = 12,299.25/x
  3. Step 3: Cross multiply
    38,949.15x = 58,437.29 × 12,299.25
  4. Step 4: Simplify right side
    38,949.15x = 718,734,839.03
  5. Step 5: Solve for x
    x = 718,734,839.03/38,949.15
  6. Step 6: Final answer
    x = 18,453.16

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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.