Home / 36,605.41-54,845.45-19,977.12

Finding the Fourth Proportional to 36,605.41, 54,845.45 and 19,977.12

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Solution

The fourth proportional to 36,605.41, 54,845.45 and 19,977.12 is: 29,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.41 : 54,845.45 = 19,977.12 : x
  2. Step 2: Convert to fraction form
    36,605.41/54,845.45 = 19,977.12/x
  3. Step 3: Cross multiply
    36,605.41x = 54,845.45 × 19,977.12
  4. Step 4: Simplify right side
    36,605.41x = 1,095,654,493.45
  5. Step 5: Solve for x
    x = 1,095,654,493.45/36,605.41
  6. Step 6: Final answer
    x = 29,931.49

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Double scale
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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.