Home / 52,719.09-79,027.84-19,420.96

Finding the Fourth Proportional to 52,719.09, 79,027.84 and 19,420.96

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Solution

The fourth proportional to 52,719.09, 79,027.84 and 19,420.96 is: 29,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.09 : 79,027.84 = 19,420.96 : x
  2. Step 2: Convert to fraction form
    52,719.09/79,027.84 = 19,420.96/x
  3. Step 3: Cross multiply
    52,719.09x = 79,027.84 × 19,420.96
  4. Step 4: Simplify right side
    52,719.09x = 1,534,796,027.28
  5. Step 5: Solve for x
    x = 1,534,796,027.28/52,719.09
  6. Step 6: Final answer
    x = 29,112.72

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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.