Home / 30,095.22-41,488.11-21,114.87

Finding the Fourth Proportional to 30,095.22, 41,488.11 and 21,114.87

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Solution

The fourth proportional to 30,095.22, 41,488.11 and 21,114.87 is: 29,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.22 : 41,488.11 = 21,114.87 : x
  2. Step 2: Convert to fraction form
    30,095.22/41,488.11 = 21,114.87/x
  3. Step 3: Cross multiply
    30,095.22x = 41,488.11 × 21,114.87
  4. Step 4: Simplify right side
    30,095.22x = 876,016,049.20
  5. Step 5: Solve for x
    x = 876,016,049.20/30,095.22
  6. Step 6: Final answer
    x = 29,108.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.