Home / 38,850.45-58,275.99-12,555.18

Finding the Fourth Proportional to 38,850.45, 58,275.99 and 12,555.18

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Solution

The fourth proportional to 38,850.45, 58,275.99 and 12,555.18 is: 18,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850.45 : 58,275.99 = 12,555.18 : x
  2. Step 2: Convert to fraction form
    38,850.45/58,275.99 = 12,555.18/x
  3. Step 3: Cross multiply
    38,850.45x = 58,275.99 × 12,555.18
  4. Step 4: Simplify right side
    38,850.45x = 731,665,544.13
  5. Step 5: Solve for x
    x = 731,665,544.13/38,850.45
  6. Step 6: Final answer
    x = 18,832.87

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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.