Home / 60,449.82-90,639.09-18,317.10

Finding the Fourth Proportional to 60,449.82, 90,639.09 and 18,317.10

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Solution

The fourth proportional to 60,449.82, 90,639.09 and 18,317.10 is: 27,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,449.82 : 90,639.09 = 18,317.10 : x
  2. Step 2: Convert to fraction form
    60,449.82/90,639.09 = 18,317.10/x
  3. Step 3: Cross multiply
    60,449.82x = 90,639.09 × 18,317.10
  4. Step 4: Simplify right side
    60,449.82x = 1,660,245,275.44
  5. Step 5: Solve for x
    x = 1,660,245,275.44/60,449.82
  6. Step 6: Final answer
    x = 27,464.85

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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.