Home / 36,605.04-50,512.16-20,690.98

Finding the Fourth Proportional to 36,605.04, 50,512.16 and 20,690.98

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Solution

The fourth proportional to 36,605.04, 50,512.16 and 20,690.98 is: 28,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.04 : 50,512.16 = 20,690.98 : x
  2. Step 2: Convert to fraction form
    36,605.04/50,512.16 = 20,690.98/x
  3. Step 3: Cross multiply
    36,605.04x = 50,512.16 × 20,690.98
  4. Step 4: Simplify right side
    36,605.04x = 1,045,146,092.32
  5. Step 5: Solve for x
    x = 1,045,146,092.32/36,605.04
  6. Step 6: Final answer
    x = 28,551.97

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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.