Home / 20,092.19-30,135.33-5,302.15

Finding the Fourth Proportional to 20,092.19, 30,135.33 and 5,302.15

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Solution

The fourth proportional to 20,092.19, 30,135.33 and 5,302.15 is: 7,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.19 : 30,135.33 = 5,302.15 : x
  2. Step 2: Convert to fraction form
    20,092.19/30,135.33 = 5,302.15/x
  3. Step 3: Cross multiply
    20,092.19x = 30,135.33 × 5,302.15
  4. Step 4: Simplify right side
    20,092.19x = 159,782,041.92
  5. Step 5: Solve for x
    x = 159,782,041.92/20,092.19
  6. Step 6: Final answer
    x = 7,952.44

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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.