Home / 36,678.51-55,021.41-13,306.77

Finding the Fourth Proportional to 36,678.51, 55,021.41 and 13,306.77

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Solution

The fourth proportional to 36,678.51, 55,021.41 and 13,306.77 is: 19,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.51 : 55,021.41 = 13,306.77 : x
  2. Step 2: Convert to fraction form
    36,678.51/55,021.41 = 13,306.77/x
  3. Step 3: Cross multiply
    36,678.51x = 55,021.41 × 13,306.77
  4. Step 4: Simplify right side
    36,678.51x = 732,157,247.95
  5. Step 5: Solve for x
    x = 732,157,247.95/36,678.51
  6. Step 6: Final answer
    x = 19,961.48

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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.