Home / 30,882.92-42,618.46-16,735.76

Finding the Fourth Proportional to 30,882.92, 42,618.46 and 16,735.76

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Solution

The fourth proportional to 30,882.92, 42,618.46 and 16,735.76 is: 23,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.92 : 42,618.46 = 16,735.76 : x
  2. Step 2: Convert to fraction form
    30,882.92/42,618.46 = 16,735.76/x
  3. Step 3: Cross multiply
    30,882.92x = 42,618.46 × 16,735.76
  4. Step 4: Simplify right side
    30,882.92x = 713,252,318.13
  5. Step 5: Solve for x
    x = 713,252,318.13/30,882.92
  6. Step 6: Final answer
    x = 23,095.37

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Double scale
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Similar ratio
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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.