Home / 57,986.92-86,985.69-18,006.13

Finding the Fourth Proportional to 57,986.92, 86,985.69 and 18,006.13

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Solution

The fourth proportional to 57,986.92, 86,985.69 and 18,006.13 is: 27,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.92 : 86,985.69 = 18,006.13 : x
  2. Step 2: Convert to fraction form
    57,986.92/86,985.69 = 18,006.13/x
  3. Step 3: Cross multiply
    57,986.92x = 86,985.69 × 18,006.13
  4. Step 4: Simplify right side
    57,986.92x = 1,566,275,117.32
  5. Step 5: Solve for x
    x = 1,566,275,117.32/57,986.92
  6. Step 6: Final answer
    x = 27,010.84

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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.