Home / 38,679.53-58,020.50-13,719.17

Finding the Fourth Proportional to 38,679.53, 58,020.50 and 13,719.17

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Solution

The fourth proportional to 38,679.53, 58,020.50 and 13,719.17 is: 20,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.53 : 58,020.50 = 13,719.17 : x
  2. Step 2: Convert to fraction form
    38,679.53/58,020.50 = 13,719.17/x
  3. Step 3: Cross multiply
    38,679.53x = 58,020.50 × 13,719.17
  4. Step 4: Simplify right side
    38,679.53x = 795,993,282.33
  5. Step 5: Solve for x
    x = 795,993,282.33/38,679.53
  6. Step 6: Final answer
    x = 20,579.19

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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.