Home / 56,201.16-84,293.24-21,132.64

Finding the Fourth Proportional to 56,201.16, 84,293.24 and 21,132.64

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Solution

The fourth proportional to 56,201.16, 84,293.24 and 21,132.64 is: 31,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.16 : 84,293.24 = 21,132.64 : x
  2. Step 2: Convert to fraction form
    56,201.16/84,293.24 = 21,132.64/x
  3. Step 3: Cross multiply
    56,201.16x = 84,293.24 × 21,132.64
  4. Step 4: Simplify right side
    56,201.16x = 1,781,338,695.35
  5. Step 5: Solve for x
    x = 1,781,338,695.35/56,201.16
  6. Step 6: Final answer
    x = 31,695.76

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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.