Home / 30,409.20-41,950.20-19,073.04

Finding the Fourth Proportional to 30,409.20, 41,950.20 and 19,073.04

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Solution

The fourth proportional to 30,409.20, 41,950.20 and 19,073.04 is: 26,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.20 : 41,950.20 = 19,073.04 : x
  2. Step 2: Convert to fraction form
    30,409.20/41,950.20 = 19,073.04/x
  3. Step 3: Cross multiply
    30,409.20x = 41,950.20 × 19,073.04
  4. Step 4: Simplify right side
    30,409.20x = 800,117,842.61
  5. Step 5: Solve for x
    x = 800,117,842.61/30,409.20
  6. Step 6: Final answer
    x = 26,311.70

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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.