Home / 30,433.99-41,999.11-17,005.81

Finding the Fourth Proportional to 30,433.99, 41,999.11 and 17,005.81

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Solution

The fourth proportional to 30,433.99, 41,999.11 and 17,005.81 is: 23,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.99 : 41,999.11 = 17,005.81 : x
  2. Step 2: Convert to fraction form
    30,433.99/41,999.11 = 17,005.81/x
  3. Step 3: Cross multiply
    30,433.99x = 41,999.11 × 17,005.81
  4. Step 4: Simplify right side
    30,433.99x = 714,228,589.80
  5. Step 5: Solve for x
    x = 714,228,589.80/30,433.99
  6. Step 6: Final answer
    x = 23,468.13

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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.