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Finding the Fourth Proportional to 36,640.70, 51,452.50 and 36,640.70

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Solution

The fourth proportional to 36,640.70, 51,452.50 and 36,640.70 is: 51,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.70 : 51,452.50 = 36,640.70 : x
  2. Step 2: Convert to fraction form
    36,640.70/51,452.50 = 36,640.70/x
  3. Step 3: Cross multiply
    36,640.70x = 51,452.50 × 36,640.70
  4. Step 4: Simplify right side
    36,640.70x = 1,885,255,616.75
  5. Step 5: Solve for x
    x = 1,885,255,616.75/36,640.70
  6. Step 6: Final answer
    x = 51,452.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.