Home / 30,111.80-41,546.17-17,191.19

Finding the Fourth Proportional to 30,111.80, 41,546.17 and 17,191.19

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Solution

The fourth proportional to 30,111.80, 41,546.17 and 17,191.19 is: 23,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.80 : 41,546.17 = 17,191.19 : x
  2. Step 2: Convert to fraction form
    30,111.80/41,546.17 = 17,191.19/x
  3. Step 3: Cross multiply
    30,111.80x = 41,546.17 × 17,191.19
  4. Step 4: Simplify right side
    30,111.80x = 714,227,897.20
  5. Step 5: Solve for x
    x = 714,227,897.20/30,111.80
  6. Step 6: Final answer
    x = 23,719.20

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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.