Home / 30,177.18-41,634.87-17,428.68

Finding the Fourth Proportional to 30,177.18, 41,634.87 and 17,428.68

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Solution

The fourth proportional to 30,177.18, 41,634.87 and 17,428.68 is: 24,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.18 : 41,634.87 = 17,428.68 : x
  2. Step 2: Convert to fraction form
    30,177.18/41,634.87 = 17,428.68/x
  3. Step 3: Cross multiply
    30,177.18x = 41,634.87 × 17,428.68
  4. Step 4: Simplify right side
    30,177.18x = 725,640,826.07
  5. Step 5: Solve for x
    x = 725,640,826.07/30,177.18
  6. Step 6: Final answer
    x = 24,046.01

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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.