Home / 38,849.91-58,287.18-13,889.43

Finding the Fourth Proportional to 38,849.91, 58,287.18 and 13,889.43

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Solution

The fourth proportional to 38,849.91, 58,287.18 and 13,889.43 is: 20,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,849.91 : 58,287.18 = 13,889.43 : x
  2. Step 2: Convert to fraction form
    38,849.91/58,287.18 = 13,889.43/x
  3. Step 3: Cross multiply
    38,849.91x = 58,287.18 × 13,889.43
  4. Step 4: Simplify right side
    38,849.91x = 809,575,706.51
  5. Step 5: Solve for x
    x = 809,575,706.51/38,849.91
  6. Step 6: Final answer
    x = 20,838.55

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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.