Home / 36,781.92-55,164.60-10,486.08

Finding the Fourth Proportional to 36,781.92, 55,164.60 and 10,486.08

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Solution

The fourth proportional to 36,781.92, 55,164.60 and 10,486.08 is: 15,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.92 : 55,164.60 = 10,486.08 : x
  2. Step 2: Convert to fraction form
    36,781.92/55,164.60 = 10,486.08/x
  3. Step 3: Cross multiply
    36,781.92x = 55,164.60 × 10,486.08
  4. Step 4: Simplify right side
    36,781.92x = 578,460,408.77
  5. Step 5: Solve for x
    x = 578,460,408.77/36,781.92
  6. Step 6: Final answer
    x = 15,726.76

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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.