Home / 52,043.32-71,813.28-29,379.52

Finding the Fourth Proportional to 52,043.32, 71,813.28 and 29,379.52

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Solution

The fourth proportional to 52,043.32, 71,813.28 and 29,379.52 is: 40,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.32 : 71,813.28 = 29,379.52 : x
  2. Step 2: Convert to fraction form
    52,043.32/71,813.28 = 29,379.52/x
  3. Step 3: Cross multiply
    52,043.32x = 71,813.28 × 29,379.52
  4. Step 4: Simplify right side
    52,043.32x = 2,109,839,696.03
  5. Step 5: Solve for x
    x = 2,109,839,696.03/52,043.32
  6. Step 6: Final answer
    x = 40,540.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.