Home / 52,247.30-78,376.41-17,189.72

Finding the Fourth Proportional to 52,247.30, 78,376.41 and 17,189.72

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Solution

The fourth proportional to 52,247.30, 78,376.41 and 17,189.72 is: 25,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,247.30 : 78,376.41 = 17,189.72 : x
  2. Step 2: Convert to fraction form
    52,247.30/78,376.41 = 17,189.72/x
  3. Step 3: Cross multiply
    52,247.30x = 78,376.41 × 17,189.72
  4. Step 4: Simplify right side
    52,247.30x = 1,347,268,542.51
  5. Step 5: Solve for x
    x = 1,347,268,542.51/52,247.30
  6. Step 6: Final answer
    x = 25,786.38

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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.