Home / 30,215.71-41,702.67-25,171.94

Finding the Fourth Proportional to 30,215.71, 41,702.67 and 25,171.94

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Solution

The fourth proportional to 30,215.71, 41,702.67 and 25,171.94 is: 34,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.71 : 41,702.67 = 25,171.94 : x
  2. Step 2: Convert to fraction form
    30,215.71/41,702.67 = 25,171.94/x
  3. Step 3: Cross multiply
    30,215.71x = 41,702.67 × 25,171.94
  4. Step 4: Simplify right side
    30,215.71x = 1,049,737,107.08
  5. Step 5: Solve for x
    x = 1,049,737,107.08/30,215.71
  6. Step 6: Final answer
    x = 34,741.43

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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.