Home / 36,447.19-54,669.76-19,911.95

Finding the Fourth Proportional to 36,447.19, 54,669.76 and 19,911.95

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Solution

The fourth proportional to 36,447.19, 54,669.76 and 19,911.95 is: 29,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.19 : 54,669.76 = 19,911.95 : x
  2. Step 2: Convert to fraction form
    36,447.19/54,669.76 = 19,911.95/x
  3. Step 3: Cross multiply
    36,447.19x = 54,669.76 × 19,911.95
  4. Step 4: Simplify right side
    36,447.19x = 1,088,581,619.28
  5. Step 5: Solve for x
    x = 1,088,581,619.28/36,447.19
  6. Step 6: Final answer
    x = 29,867.37

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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.