Home / 38,480.68-57,616.75-19,973.80

Finding the Fourth Proportional to 38,480.68, 57,616.75 and 19,973.80

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Solution

The fourth proportional to 38,480.68, 57,616.75 and 19,973.80 is: 29,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.68 : 57,616.75 = 19,973.80 : x
  2. Step 2: Convert to fraction form
    38,480.68/57,616.75 = 19,973.80/x
  3. Step 3: Cross multiply
    38,480.68x = 57,616.75 × 19,973.80
  4. Step 4: Simplify right side
    38,480.68x = 1,150,825,053.20
  5. Step 5: Solve for x
    x = 1,150,825,053.20/38,480.68
  6. Step 6: Final answer
    x = 29,906.57

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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.