Home / 20,192.22-30,288.33-5,400.77

Finding the Fourth Proportional to 20,192.22, 30,288.33 and 5,400.77

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Solution

The fourth proportional to 20,192.22, 30,288.33 and 5,400.77 is: 8,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.22 : 30,288.33 = 5,400.77 : x
  2. Step 2: Convert to fraction form
    20,192.22/30,288.33 = 5,400.77/x
  3. Step 3: Cross multiply
    20,192.22x = 30,288.33 × 5,400.77
  4. Step 4: Simplify right side
    20,192.22x = 163,580,152.57
  5. Step 5: Solve for x
    x = 163,580,152.57/20,192.22
  6. Step 6: Final answer
    x = 8,101.15

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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.