Home / 51,833.48-71,507.66-31,691.20

Finding the Fourth Proportional to 51,833.48, 71,507.66 and 31,691.20

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Solution

The fourth proportional to 51,833.48, 71,507.66 and 31,691.20 is: 43,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,833.48 : 71,507.66 = 31,691.20 : x
  2. Step 2: Convert to fraction form
    51,833.48/71,507.66 = 31,691.20/x
  3. Step 3: Cross multiply
    51,833.48x = 71,507.66 × 31,691.20
  4. Step 4: Simplify right side
    51,833.48x = 2,266,163,554.59
  5. Step 5: Solve for x
    x = 2,266,163,554.59/51,833.48
  6. Step 6: Final answer
    x = 43,720.07

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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.