Home / 30,332.88-41,860.80-17,761.68

Finding the Fourth Proportional to 30,332.88, 41,860.80 and 17,761.68

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Solution

The fourth proportional to 30,332.88, 41,860.80 and 17,761.68 is: 24,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.88 : 41,860.80 = 17,761.68 : x
  2. Step 2: Convert to fraction form
    30,332.88/41,860.80 = 17,761.68/x
  3. Step 3: Cross multiply
    30,332.88x = 41,860.80 × 17,761.68
  4. Step 4: Simplify right side
    30,332.88x = 743,518,134.14
  5. Step 5: Solve for x
    x = 743,518,134.14/30,332.88
  6. Step 6: Final answer
    x = 24,511.95

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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.