Home / 30,853.56-42,575.58-17,422.95

Finding the Fourth Proportional to 30,853.56, 42,575.58 and 17,422.95

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Solution

The fourth proportional to 30,853.56, 42,575.58 and 17,422.95 is: 24,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.56 : 42,575.58 = 17,422.95 : x
  2. Step 2: Convert to fraction form
    30,853.56/42,575.58 = 17,422.95/x
  3. Step 3: Cross multiply
    30,853.56x = 42,575.58 × 17,422.95
  4. Step 4: Simplify right side
    30,853.56x = 741,792,201.56
  5. Step 5: Solve for x
    x = 741,792,201.56/30,853.56
  6. Step 6: Final answer
    x = 24,042.35

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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.