Home / 51,686.37-77,543.22-27,983.39

Finding the Fourth Proportional to 51,686.37, 77,543.22 and 27,983.39

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Solution

The fourth proportional to 51,686.37, 77,543.22 and 27,983.39 is: 41,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.37 : 77,543.22 = 27,983.39 : x
  2. Step 2: Convert to fraction form
    51,686.37/77,543.22 = 27,983.39/x
  3. Step 3: Cross multiply
    51,686.37x = 77,543.22 × 27,983.39
  4. Step 4: Simplify right side
    51,686.37x = 2,169,921,872.32
  5. Step 5: Solve for x
    x = 2,169,921,872.32/51,686.37
  6. Step 6: Final answer
    x = 41,982.48

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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.