Home / 34,475.20-47,580.14-21,043.56

Finding the Fourth Proportional to 34,475.20, 47,580.14 and 21,043.56

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Solution

The fourth proportional to 34,475.20, 47,580.14 and 21,043.56 is: 29,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.20 : 47,580.14 = 21,043.56 : x
  2. Step 2: Convert to fraction form
    34,475.20/47,580.14 = 21,043.56/x
  3. Step 3: Cross multiply
    34,475.20x = 47,580.14 × 21,043.56
  4. Step 4: Simplify right side
    34,475.20x = 1,001,255,530.90
  5. Step 5: Solve for x
    x = 1,001,255,530.90/34,475.20
  6. Step 6: Final answer
    x = 29,042.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.