Home / 56,134.16-84,183.72-18,685.48

Finding the Fourth Proportional to 56,134.16, 84,183.72 and 18,685.48

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Solution

The fourth proportional to 56,134.16, 84,183.72 and 18,685.48 is: 28,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.16 : 84,183.72 = 18,685.48 : x
  2. Step 2: Convert to fraction form
    56,134.16/84,183.72 = 18,685.48/x
  3. Step 3: Cross multiply
    56,134.16x = 84,183.72 × 18,685.48
  4. Step 4: Simplify right side
    56,134.16x = 1,573,013,216.39
  5. Step 5: Solve for x
    x = 1,573,013,216.39/56,134.16
  6. Step 6: Final answer
    x = 28,022.39

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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.