Home / 56,312.83-84,481.66-21,252.79

Finding the Fourth Proportional to 56,312.83, 84,481.66 and 21,252.79

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Solution

The fourth proportional to 56,312.83, 84,481.66 and 21,252.79 is: 31,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.83 : 84,481.66 = 21,252.79 : x
  2. Step 2: Convert to fraction form
    56,312.83/84,481.66 = 21,252.79/x
  3. Step 3: Cross multiply
    56,312.83x = 84,481.66 × 21,252.79
  4. Step 4: Simplify right side
    56,312.83x = 1,795,470,556.42
  5. Step 5: Solve for x
    x = 1,795,470,556.42/56,312.83
  6. Step 6: Final answer
    x = 31,883.87

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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.