Home / 30,998.25-46,497.40-10,221.75

Finding the Fourth Proportional to 30,998.25, 46,497.40 and 10,221.75

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Solution

The fourth proportional to 30,998.25, 46,497.40 and 10,221.75 is: 15,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998.25 : 46,497.40 = 10,221.75 : x
  2. Step 2: Convert to fraction form
    30,998.25/46,497.40 = 10,221.75/x
  3. Step 3: Cross multiply
    30,998.25x = 46,497.40 × 10,221.75
  4. Step 4: Simplify right side
    30,998.25x = 475,284,772.90
  5. Step 5: Solve for x
    x = 475,284,772.90/30,998.25
  6. Step 6: Final answer
    x = 15,332.63

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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.