Home / 56,601.12-84,872.88-21,514.08

Finding the Fourth Proportional to 56,601.12, 84,872.88 and 21,514.08

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Solution

The fourth proportional to 56,601.12, 84,872.88 and 21,514.08 is: 32,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.12 : 84,872.88 = 21,514.08 : x
  2. Step 2: Convert to fraction form
    56,601.12/84,872.88 = 21,514.08/x
  3. Step 3: Cross multiply
    56,601.12x = 84,872.88 × 21,514.08
  4. Step 4: Simplify right side
    56,601.12x = 1,825,961,930.15
  5. Step 5: Solve for x
    x = 1,825,961,930.15/56,601.12
  6. Step 6: Final answer
    x = 32,260.17

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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.