Home / 51,201.77-76,837.48-31,419.95

Finding the Fourth Proportional to 51,201.77, 76,837.48 and 31,419.95

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Solution

The fourth proportional to 51,201.77, 76,837.48 and 31,419.95 is: 47,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.77 : 76,837.48 = 31,419.95 : x
  2. Step 2: Convert to fraction form
    51,201.77/76,837.48 = 31,419.95/x
  3. Step 3: Cross multiply
    51,201.77x = 76,837.48 × 31,419.95
  4. Step 4: Simplify right side
    51,201.77x = 2,414,229,316.99
  5. Step 5: Solve for x
    x = 2,414,229,316.99/51,201.77
  6. Step 6: Final answer
    x = 47,151.29

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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.