Home / 52,720.36-79,051.38-17,640.88

Finding the Fourth Proportional to 52,720.36, 79,051.38 and 17,640.88

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Solution

The fourth proportional to 52,720.36, 79,051.38 and 17,640.88 is: 26,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.36 : 79,051.38 = 17,640.88 : x
  2. Step 2: Convert to fraction form
    52,720.36/79,051.38 = 17,640.88/x
  3. Step 3: Cross multiply
    52,720.36x = 79,051.38 × 17,640.88
  4. Step 4: Simplify right side
    52,720.36x = 1,394,535,908.41
  5. Step 5: Solve for x
    x = 1,394,535,908.41/52,720.36
  6. Step 6: Final answer
    x = 26,451.56

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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.