Home / 58,851.36-81,215.40-31,993.87

Finding the Fourth Proportional to 58,851.36, 81,215.40 and 31,993.87

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Solution

The fourth proportional to 58,851.36, 81,215.40 and 31,993.87 is: 44,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,851.36 : 81,215.40 = 31,993.87 : x
  2. Step 2: Convert to fraction form
    58,851.36/81,215.40 = 31,993.87/x
  3. Step 3: Cross multiply
    58,851.36x = 81,215.40 × 31,993.87
  4. Step 4: Simplify right side
    58,851.36x = 2,598,394,949.60
  5. Step 5: Solve for x
    x = 2,598,394,949.60/58,851.36
  6. Step 6: Final answer
    x = 44,151.83

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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.