Home / 20,362.26-30,543.06-19,859.70

Finding the Fourth Proportional to 20,362.26, 30,543.06 and 19,859.70

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Solution

The fourth proportional to 20,362.26, 30,543.06 and 19,859.70 is: 29,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.26 : 30,543.06 = 19,859.70 : x
  2. Step 2: Convert to fraction form
    20,362.26/30,543.06 = 19,859.70/x
  3. Step 3: Cross multiply
    20,362.26x = 30,543.06 × 19,859.70
  4. Step 4: Simplify right side
    20,362.26x = 606,576,008.68
  5. Step 5: Solve for x
    x = 606,576,008.68/20,362.26
  6. Step 6: Final answer
    x = 29,789.23

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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.