Home / 51,889.91-77,755.56-30,788.39

Finding the Fourth Proportional to 51,889.91, 77,755.56 and 30,788.39

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Solution

The fourth proportional to 51,889.91, 77,755.56 and 30,788.39 is: 46,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.91 : 77,755.56 = 30,788.39 : x
  2. Step 2: Convert to fraction form
    51,889.91/77,755.56 = 30,788.39/x
  3. Step 3: Cross multiply
    51,889.91x = 77,755.56 × 30,788.39
  4. Step 4: Simplify right side
    51,889.91x = 2,393,968,117.17
  5. Step 5: Solve for x
    x = 2,393,968,117.17/51,889.91
  6. Step 6: Final answer
    x = 46,135.53

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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.