Home / 36,805.12-50,809.98-21,702.70

Finding the Fourth Proportional to 36,805.12, 50,809.98 and 21,702.70

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Solution

The fourth proportional to 36,805.12, 50,809.98 and 21,702.70 is: 29,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.12 : 50,809.98 = 21,702.70 : x
  2. Step 2: Convert to fraction form
    36,805.12/50,809.98 = 21,702.70/x
  3. Step 3: Cross multiply
    36,805.12x = 50,809.98 × 21,702.70
  4. Step 4: Simplify right side
    36,805.12x = 1,102,713,752.95
  5. Step 5: Solve for x
    x = 1,102,713,752.95/36,805.12
  6. Step 6: Final answer
    x = 29,960.88

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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.