Home / 38,991.58-58,487.13-9,409.37

Finding the Fourth Proportional to 38,991.58, 58,487.13 and 9,409.37

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Solution

The fourth proportional to 38,991.58, 58,487.13 and 9,409.37 is: 14,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.58 : 58,487.13 = 9,409.37 : x
  2. Step 2: Convert to fraction form
    38,991.58/58,487.13 = 9,409.37/x
  3. Step 3: Cross multiply
    38,991.58x = 58,487.13 × 9,409.37
  4. Step 4: Simplify right side
    38,991.58x = 550,326,753.97
  5. Step 5: Solve for x
    x = 550,326,753.97/38,991.58
  6. Step 6: Final answer
    x = 14,113.99

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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.