Home / 30,230.12-41,717.38-16,801.16

Finding the Fourth Proportional to 30,230.12, 41,717.38 and 16,801.16

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Solution

The fourth proportional to 30,230.12, 41,717.38 and 16,801.16 is: 23,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.12 : 41,717.38 = 16,801.16 : x
  2. Step 2: Convert to fraction form
    30,230.12/41,717.38 = 16,801.16/x
  3. Step 3: Cross multiply
    30,230.12x = 41,717.38 × 16,801.16
  4. Step 4: Simplify right side
    30,230.12x = 700,900,376.16
  5. Step 5: Solve for x
    x = 700,900,376.16/30,230.12
  6. Step 6: Final answer
    x = 23,185.50

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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.