Home / 35,982.09-53,976.98-9,687.21

Finding the Fourth Proportional to 35,982.09, 53,976.98 and 9,687.21

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Solution

The fourth proportional to 35,982.09, 53,976.98 and 9,687.21 is: 14,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.09 : 53,976.98 = 9,687.21 : x
  2. Step 2: Convert to fraction form
    35,982.09/53,976.98 = 9,687.21/x
  3. Step 3: Cross multiply
    35,982.09x = 53,976.98 × 9,687.21
  4. Step 4: Simplify right side
    35,982.09x = 522,886,291.99
  5. Step 5: Solve for x
    x = 522,886,291.99/35,982.09
  6. Step 6: Final answer
    x = 14,531.85

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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.