Home / 47,921.82-71,848.70-18,314.70

Finding the Fourth Proportional to 47,921.82, 71,848.70 and 18,314.70

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Solution

The fourth proportional to 47,921.82, 71,848.70 and 18,314.70 is: 27,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.82 : 71,848.70 = 18,314.70 : x
  2. Step 2: Convert to fraction form
    47,921.82/71,848.70 = 18,314.70/x
  3. Step 3: Cross multiply
    47,921.82x = 71,848.70 × 18,314.70
  4. Step 4: Simplify right side
    47,921.82x = 1,315,887,385.89
  5. Step 5: Solve for x
    x = 1,315,887,385.89/47,921.82
  6. Step 6: Final answer
    x = 27,459.04

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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.