Home / 56,203.16-84,296.24-21,134.64

Finding the Fourth Proportional to 56,203.16, 84,296.24 and 21,134.64

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Solution

The fourth proportional to 56,203.16, 84,296.24 and 21,134.64 is: 31,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.16 : 84,296.24 = 21,134.64 : x
  2. Step 2: Convert to fraction form
    56,203.16/84,296.24 = 21,134.64/x
  3. Step 3: Cross multiply
    56,203.16x = 84,296.24 × 21,134.64
  4. Step 4: Simplify right side
    56,203.16x = 1,781,570,685.75
  5. Step 5: Solve for x
    x = 1,781,570,685.75/56,203.16
  6. Step 6: Final answer
    x = 31,698.76

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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.