Home / 30,079.88-41,513.95-17,162.34

Finding the Fourth Proportional to 30,079.88, 41,513.95 and 17,162.34

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Solution

The fourth proportional to 30,079.88, 41,513.95 and 17,162.34 is: 23,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.88 : 41,513.95 = 17,162.34 : x
  2. Step 2: Convert to fraction form
    30,079.88/41,513.95 = 17,162.34/x
  3. Step 3: Cross multiply
    30,079.88x = 41,513.95 × 17,162.34
  4. Step 4: Simplify right side
    30,079.88x = 712,476,524.64
  5. Step 5: Solve for x
    x = 712,476,524.64/30,079.88
  6. Step 6: Final answer
    x = 23,686.15

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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.