Home / 34,230.72-51,260.40-21,712.80

Finding the Fourth Proportional to 34,230.72, 51,260.40 and 21,712.80

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Solution

The fourth proportional to 34,230.72, 51,260.40 and 21,712.80 is: 32,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,230.72 : 51,260.40 = 21,712.80 : x
  2. Step 2: Convert to fraction form
    34,230.72/51,260.40 = 21,712.80/x
  3. Step 3: Cross multiply
    34,230.72x = 51,260.40 × 21,712.80
  4. Step 4: Simplify right side
    34,230.72x = 1,113,006,813.12
  5. Step 5: Solve for x
    x = 1,113,006,813.12/34,230.72
  6. Step 6: Final answer
    x = 32,514.85

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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.