Home / 30,853.98-42,576.39-17,425.80

Finding the Fourth Proportional to 30,853.98, 42,576.39 and 17,425.80

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Solution

The fourth proportional to 30,853.98, 42,576.39 and 17,425.80 is: 24,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.98 : 42,576.39 = 17,425.80 : x
  2. Step 2: Convert to fraction form
    30,853.98/42,576.39 = 17,425.80/x
  3. Step 3: Cross multiply
    30,853.98x = 42,576.39 × 17,425.80
  4. Step 4: Simplify right side
    30,853.98x = 741,927,656.86
  5. Step 5: Solve for x
    x = 741,927,656.86/30,853.98
  6. Step 6: Final answer
    x = 24,046.42

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Half scale
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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.