Home / 30,540.87-46,019.36-25,115.74

Finding the Fourth Proportional to 30,540.87, 46,019.36 and 25,115.74

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Solution

The fourth proportional to 30,540.87, 46,019.36 and 25,115.74 is: 37,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.87 : 46,019.36 = 25,115.74 : x
  2. Step 2: Convert to fraction form
    30,540.87/46,019.36 = 25,115.74/x
  3. Step 3: Cross multiply
    30,540.87x = 46,019.36 × 25,115.74
  4. Step 4: Simplify right side
    30,540.87x = 1,155,810,280.73
  5. Step 5: Solve for x
    x = 1,155,810,280.73/30,540.87
  6. Step 6: Final answer
    x = 37,844.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.