Home / 56,222.64-84,324.20-21,162.56

Finding the Fourth Proportional to 56,222.64, 84,324.20 and 21,162.56

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Solution

The fourth proportional to 56,222.64, 84,324.20 and 21,162.56 is: 31,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.64 : 84,324.20 = 21,162.56 : x
  2. Step 2: Convert to fraction form
    56,222.64/84,324.20 = 21,162.56/x
  3. Step 3: Cross multiply
    56,222.64x = 84,324.20 × 21,162.56
  4. Step 4: Simplify right side
    56,222.64x = 1,784,515,941.95
  5. Step 5: Solve for x
    x = 1,784,515,941.95/56,222.64
  6. Step 6: Final answer
    x = 31,740.17

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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.