Home / 47,862.36-71,788.68-12,805.56

Finding the Fourth Proportional to 47,862.36, 71,788.68 and 12,805.56

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Solution

The fourth proportional to 47,862.36, 71,788.68 and 12,805.56 is: 19,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862.36 : 71,788.68 = 12,805.56 : x
  2. Step 2: Convert to fraction form
    47,862.36/71,788.68 = 12,805.56/x
  3. Step 3: Cross multiply
    47,862.36x = 71,788.68 × 12,805.56
  4. Step 4: Simplify right side
    47,862.36x = 919,294,249.06
  5. Step 5: Solve for x
    x = 919,294,249.06/47,862.36
  6. Step 6: Final answer
    x = 19,207.04

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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.