Home / 31,540.32-47,226.96-19,043.60

Finding the Fourth Proportional to 31,540.32, 47,226.96 and 19,043.60

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Solution

The fourth proportional to 31,540.32, 47,226.96 and 19,043.60 is: 28,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.32 : 47,226.96 = 19,043.60 : x
  2. Step 2: Convert to fraction form
    31,540.32/47,226.96 = 19,043.60/x
  3. Step 3: Cross multiply
    31,540.32x = 47,226.96 × 19,043.60
  4. Step 4: Simplify right side
    31,540.32x = 899,371,335.46
  5. Step 5: Solve for x
    x = 899,371,335.46/31,540.32
  6. Step 6: Final answer
    x = 28,514.97

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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.