Home / 52,712.08-79,067.88-13,269.21

Finding the Fourth Proportional to 52,712.08, 79,067.88 and 13,269.21

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Solution

The fourth proportional to 52,712.08, 79,067.88 and 13,269.21 is: 19,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.08 : 79,067.88 = 13,269.21 : x
  2. Step 2: Convert to fraction form
    52,712.08/79,067.88 = 13,269.21/x
  3. Step 3: Cross multiply
    52,712.08x = 79,067.88 × 13,269.21
  4. Step 4: Simplify right side
    52,712.08x = 1,049,168,303.97
  5. Step 5: Solve for x
    x = 1,049,168,303.97/52,712.08
  6. Step 6: Final answer
    x = 19,903.75

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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.