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Finding the Fourth Proportional to 33,702.18, 50,560.50 and 12,925.50

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Solution

The fourth proportional to 33,702.18, 50,560.50 and 12,925.50 is: 19,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,702.18 : 50,560.50 = 12,925.50 : x
  2. Step 2: Convert to fraction form
    33,702.18/50,560.50 = 12,925.50/x
  3. Step 3: Cross multiply
    33,702.18x = 50,560.50 × 12,925.50
  4. Step 4: Simplify right side
    33,702.18x = 653,519,742.75
  5. Step 5: Solve for x
    x = 653,519,742.75/33,702.18
  6. Step 6: Final answer
    x = 19,391.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.