Home / 36,656.40-55,013.76-13,289.52

Finding the Fourth Proportional to 36,656.40, 55,013.76 and 13,289.52

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Solution

The fourth proportional to 36,656.40, 55,013.76 and 13,289.52 is: 19,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,656.40 : 55,013.76 = 13,289.52 : x
  2. Step 2: Convert to fraction form
    36,656.40/55,013.76 = 13,289.52/x
  3. Step 3: Cross multiply
    36,656.40x = 55,013.76 × 13,289.52
  4. Step 4: Simplify right side
    36,656.40x = 731,106,463.80
  5. Step 5: Solve for x
    x = 731,106,463.80/36,656.40
  6. Step 6: Final answer
    x = 19,944.85

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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.