Home / 47,722.30-71,607.75-19,663.90

Finding the Fourth Proportional to 47,722.30, 71,607.75 and 19,663.90

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Solution

The fourth proportional to 47,722.30, 71,607.75 and 19,663.90 is: 29,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.30 : 71,607.75 = 19,663.90 : x
  2. Step 2: Convert to fraction form
    47,722.30/71,607.75 = 19,663.90/x
  3. Step 3: Cross multiply
    47,722.30x = 71,607.75 × 19,663.90
  4. Step 4: Simplify right side
    47,722.30x = 1,408,087,635.23
  5. Step 5: Solve for x
    x = 1,408,087,635.23/47,722.30
  6. Step 6: Final answer
    x = 29,505.86

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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.