Home / 51,195.98-70,654.56-28,542.31

Finding the Fourth Proportional to 51,195.98, 70,654.56 and 28,542.31

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Solution

The fourth proportional to 51,195.98, 70,654.56 and 28,542.31 is: 39,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.98 : 70,654.56 = 28,542.31 : x
  2. Step 2: Convert to fraction form
    51,195.98/70,654.56 = 28,542.31/x
  3. Step 3: Cross multiply
    51,195.98x = 70,654.56 × 28,542.31
  4. Step 4: Simplify right side
    51,195.98x = 2,016,644,354.43
  5. Step 5: Solve for x
    x = 2,016,644,354.43/51,195.98
  6. Step 6: Final answer
    x = 39,390.68

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1.5x scale

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.