Home / 20,073.74-30,104.22-18,763.36

Finding the Fourth Proportional to 20,073.74, 30,104.22 and 18,763.36

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Solution

The fourth proportional to 20,073.74, 30,104.22 and 18,763.36 is: 28,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.74 : 30,104.22 = 18,763.36 : x
  2. Step 2: Convert to fraction form
    20,073.74/30,104.22 = 18,763.36/x
  3. Step 3: Cross multiply
    20,073.74x = 30,104.22 × 18,763.36
  4. Step 4: Simplify right side
    20,073.74x = 564,856,317.38
  5. Step 5: Solve for x
    x = 564,856,317.38/20,073.74
  6. Step 6: Final answer
    x = 28,139.07

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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.