Home / 36,781.77-55,167.87-13,088.36

Finding the Fourth Proportional to 36,781.77, 55,167.87 and 13,088.36

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Solution

The fourth proportional to 36,781.77, 55,167.87 and 13,088.36 is: 19,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.77 : 55,167.87 = 13,088.36 : x
  2. Step 2: Convert to fraction form
    36,781.77/55,167.87 = 13,088.36/x
  3. Step 3: Cross multiply
    36,781.77x = 55,167.87 × 13,088.36
  4. Step 4: Simplify right side
    36,781.77x = 722,056,667.15
  5. Step 5: Solve for x
    x = 722,056,667.15/36,781.77
  6. Step 6: Final answer
    x = 19,630.83

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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.