Home / 58,628.26-87,932.67-21,181.15

Finding the Fourth Proportional to 58,628.26, 87,932.67 and 21,181.15

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Solution

The fourth proportional to 58,628.26, 87,932.67 and 21,181.15 is: 31,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.26 : 87,932.67 = 21,181.15 : x
  2. Step 2: Convert to fraction form
    58,628.26/87,932.67 = 21,181.15/x
  3. Step 3: Cross multiply
    58,628.26x = 87,932.67 × 21,181.15
  4. Step 4: Simplify right side
    58,628.26x = 1,862,515,073.17
  5. Step 5: Solve for x
    x = 1,862,515,073.17/58,628.26
  6. Step 6: Final answer
    x = 31,768.21

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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.