Home / 51,688.37-77,546.22-27,985.39

Finding the Fourth Proportional to 51,688.37, 77,546.22 and 27,985.39

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Solution

The fourth proportional to 51,688.37, 77,546.22 and 27,985.39 is: 41,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.37 : 77,546.22 = 27,985.39 : x
  2. Step 2: Convert to fraction form
    51,688.37/77,546.22 = 27,985.39/x
  3. Step 3: Cross multiply
    51,688.37x = 77,546.22 × 27,985.39
  4. Step 4: Simplify right side
    51,688.37x = 2,170,161,209.73
  5. Step 5: Solve for x
    x = 2,170,161,209.73/51,688.37
  6. Step 6: Final answer
    x = 41,985.48

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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.