Home / 36,688.14-55,131.84-19,171.08

Finding the Fourth Proportional to 36,688.14, 55,131.84 and 19,171.08

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Solution

The fourth proportional to 36,688.14, 55,131.84 and 19,171.08 is: 28,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.14 : 55,131.84 = 19,171.08 : x
  2. Step 2: Convert to fraction form
    36,688.14/55,131.84 = 19,171.08/x
  3. Step 3: Cross multiply
    36,688.14x = 55,131.84 × 19,171.08
  4. Step 4: Simplify right side
    36,688.14x = 1,056,936,915.19
  5. Step 5: Solve for x
    x = 1,056,936,915.19/36,688.14
  6. Step 6: Final answer
    x = 28,808.68

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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.