Home / 30,279.72-41,791.02-17,702.04

Finding the Fourth Proportional to 30,279.72, 41,791.02 and 17,702.04

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Solution

The fourth proportional to 30,279.72, 41,791.02 and 17,702.04 is: 24,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.72 : 41,791.02 = 17,702.04 : x
  2. Step 2: Convert to fraction form
    30,279.72/41,791.02 = 17,702.04/x
  3. Step 3: Cross multiply
    30,279.72x = 41,791.02 × 17,702.04
  4. Step 4: Simplify right side
    30,279.72x = 739,786,307.68
  5. Step 5: Solve for x
    x = 739,786,307.68/30,279.72
  6. Step 6: Final answer
    x = 24,431.74

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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.