Home / 38,863.31-58,300.43-19,142.06

Finding the Fourth Proportional to 38,863.31, 58,300.43 and 19,142.06

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Solution

The fourth proportional to 38,863.31, 58,300.43 and 19,142.06 is: 28,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.31 : 58,300.43 = 19,142.06 : x
  2. Step 2: Convert to fraction form
    38,863.31/58,300.43 = 19,142.06/x
  3. Step 3: Cross multiply
    38,863.31x = 58,300.43 × 19,142.06
  4. Step 4: Simplify right side
    38,863.31x = 1,115,989,941.87
  5. Step 5: Solve for x
    x = 1,115,989,941.87/38,863.31
  6. Step 6: Final answer
    x = 28,715.78

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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.