Home / 33,702.24-50,554.59-12,640.15

Finding the Fourth Proportional to 33,702.24, 50,554.59 and 12,640.15

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Solution

The fourth proportional to 33,702.24, 50,554.59 and 12,640.15 is: 18,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,702.24 : 50,554.59 = 12,640.15 : x
  2. Step 2: Convert to fraction form
    33,702.24/50,554.59 = 12,640.15/x
  3. Step 3: Cross multiply
    33,702.24x = 50,554.59 × 12,640.15
  4. Step 4: Simplify right side
    33,702.24x = 639,017,600.79
  5. Step 5: Solve for x
    x = 639,017,600.79/33,702.24
  6. Step 6: Final answer
    x = 18,960.69

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1.5x scale

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.