Home / 38,949.10-58,431.51-12,299.25

Finding the Fourth Proportional to 38,949.10, 58,431.51 and 12,299.25

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Solution

The fourth proportional to 38,949.10, 58,431.51 and 12,299.25 is: 18,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.10 : 58,431.51 = 12,299.25 : x
  2. Step 2: Convert to fraction form
    38,949.10/58,431.51 = 12,299.25/x
  3. Step 3: Cross multiply
    38,949.10x = 58,431.51 × 12,299.25
  4. Step 4: Simplify right side
    38,949.10x = 718,663,778.20
  5. Step 5: Solve for x
    x = 718,663,778.20/38,949.10
  6. Step 6: Final answer
    x = 18,451.36

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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.