Home / 30,230.99-41,722.15-18,294.07

Finding the Fourth Proportional to 30,230.99, 41,722.15 and 18,294.07

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Solution

The fourth proportional to 30,230.99, 41,722.15 and 18,294.07 is: 25,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.99 : 41,722.15 = 18,294.07 : x
  2. Step 2: Convert to fraction form
    30,230.99/41,722.15 = 18,294.07/x
  3. Step 3: Cross multiply
    30,230.99x = 41,722.15 × 18,294.07
  4. Step 4: Simplify right side
    30,230.99x = 763,267,932.65
  5. Step 5: Solve for x
    x = 763,267,932.65/30,230.99
  6. Step 6: Final answer
    x = 25,247.86

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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.