Home / 30,546.52-42,146.21-17,622.65

Finding the Fourth Proportional to 30,546.52, 42,146.21 and 17,622.65

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Solution

The fourth proportional to 30,546.52, 42,146.21 and 17,622.65 is: 24,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.52 : 42,146.21 = 17,622.65 : x
  2. Step 2: Convert to fraction form
    30,546.52/42,146.21 = 17,622.65/x
  3. Step 3: Cross multiply
    30,546.52x = 42,146.21 × 17,622.65
  4. Step 4: Simplify right side
    30,546.52x = 742,727,819.54
  5. Step 5: Solve for x
    x = 742,727,819.54/30,546.52
  6. Step 6: Final answer
    x = 24,314.65

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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.