Home / 22,990.37-34,467.22-21,145.19

Finding the Fourth Proportional to 22,990.37, 34,467.22 and 21,145.19

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Solution

The fourth proportional to 22,990.37, 34,467.22 and 21,145.19 is: 31,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.37 : 34,467.22 = 21,145.19 : x
  2. Step 2: Convert to fraction form
    22,990.37/34,467.22 = 21,145.19/x
  3. Step 3: Cross multiply
    22,990.37x = 34,467.22 × 21,145.19
  4. Step 4: Simplify right side
    22,990.37x = 728,815,769.77
  5. Step 5: Solve for x
    x = 728,815,769.77/22,990.37
  6. Step 6: Final answer
    x = 31,700.92

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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.