Home / 30,135.61-41,588.12-16,708.11

Finding the Fourth Proportional to 30,135.61, 41,588.12 and 16,708.11

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Solution

The fourth proportional to 30,135.61, 41,588.12 and 16,708.11 is: 23,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.61 : 41,588.12 = 16,708.11 : x
  2. Step 2: Convert to fraction form
    30,135.61/41,588.12 = 16,708.11/x
  3. Step 3: Cross multiply
    30,135.61x = 41,588.12 × 16,708.11
  4. Step 4: Simplify right side
    30,135.61x = 694,858,883.65
  5. Step 5: Solve for x
    x = 694,858,883.65/30,135.61
  6. Step 6: Final answer
    x = 23,057.74

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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.