Home / 30,882.14-42,619.52-17,454.64

Finding the Fourth Proportional to 30,882.14, 42,619.52 and 17,454.64

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Solution

The fourth proportional to 30,882.14, 42,619.52 and 17,454.64 is: 24,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.14 : 42,619.52 = 17,454.64 : x
  2. Step 2: Convert to fraction form
    30,882.14/42,619.52 = 17,454.64/x
  3. Step 3: Cross multiply
    30,882.14x = 42,619.52 × 17,454.64
  4. Step 4: Simplify right side
    30,882.14x = 743,908,378.57
  5. Step 5: Solve for x
    x = 743,908,378.57/30,882.14
  6. Step 6: Final answer
    x = 24,088.63

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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.