Home / 47,947.67-71,945.80-31,948.14

Finding the Fourth Proportional to 47,947.67, 71,945.80 and 31,948.14

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Solution

The fourth proportional to 47,947.67, 71,945.80 and 31,948.14 is: 47,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.67 : 71,945.80 = 31,948.14 : x
  2. Step 2: Convert to fraction form
    47,947.67/71,945.80 = 31,948.14/x
  3. Step 3: Cross multiply
    47,947.67x = 71,945.80 × 31,948.14
  4. Step 4: Simplify right side
    47,947.67x = 2,298,534,410.94
  5. Step 5: Solve for x
    x = 2,298,534,410.94/47,947.67
  6. Step 6: Final answer
    x = 47,938.40

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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.