Home / 56,021.13-84,057.21-20,963.52

Finding the Fourth Proportional to 56,021.13, 84,057.21 and 20,963.52

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Solution

The fourth proportional to 56,021.13, 84,057.21 and 20,963.52 is: 31,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021.13 : 84,057.21 = 20,963.52 : x
  2. Step 2: Convert to fraction form
    56,021.13/84,057.21 = 20,963.52/x
  3. Step 3: Cross multiply
    56,021.13x = 84,057.21 × 20,963.52
  4. Step 4: Simplify right side
    56,021.13x = 1,762,135,002.98
  5. Step 5: Solve for x
    x = 1,762,135,002.98/56,021.13
  6. Step 6: Final answer
    x = 31,454.83

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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.