Home / 36,781.11-55,180.91-10,485.88

Finding the Fourth Proportional to 36,781.11, 55,180.91 and 10,485.88

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Solution

The fourth proportional to 36,781.11, 55,180.91 and 10,485.88 is: 15,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.11 : 55,180.91 = 10,485.88 : x
  2. Step 2: Convert to fraction form
    36,781.11/55,180.91 = 10,485.88/x
  3. Step 3: Cross multiply
    36,781.11x = 55,180.91 × 10,485.88
  4. Step 4: Simplify right side
    36,781.11x = 578,620,288.81
  5. Step 5: Solve for x
    x = 578,620,288.81/36,781.11
  6. Step 6: Final answer
    x = 15,731.45

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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.