Home / 30,029.13-41,440.19-16,781.13

Finding the Fourth Proportional to 30,029.13, 41,440.19 and 16,781.13

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Solution

The fourth proportional to 30,029.13, 41,440.19 and 16,781.13 is: 23,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.13 : 41,440.19 = 16,781.13 : x
  2. Step 2: Convert to fraction form
    30,029.13/41,440.19 = 16,781.13/x
  3. Step 3: Cross multiply
    30,029.13x = 41,440.19 × 16,781.13
  4. Step 4: Simplify right side
    30,029.13x = 695,413,215.61
  5. Step 5: Solve for x
    x = 695,413,215.61/30,029.13
  6. Step 6: Final answer
    x = 23,157.95

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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.