Home / 45,388.50-68,091.99-15,808.65

Finding the Fourth Proportional to 45,388.50, 68,091.99 and 15,808.65

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Solution

The fourth proportional to 45,388.50, 68,091.99 and 15,808.65 is: 23,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.50 : 68,091.99 = 15,808.65 : x
  2. Step 2: Convert to fraction form
    45,388.50/68,091.99 = 15,808.65/x
  3. Step 3: Cross multiply
    45,388.50x = 68,091.99 × 15,808.65
  4. Step 4: Simplify right side
    45,388.50x = 1,076,442,437.71
  5. Step 5: Solve for x
    x = 1,076,442,437.71/45,388.50
  6. Step 6: Final answer
    x = 23,716.19

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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.