Home / 56,351.67-77,765.31-31,201.17

Finding the Fourth Proportional to 56,351.67, 77,765.31 and 31,201.17

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Solution

The fourth proportional to 56,351.67, 77,765.31 and 31,201.17 is: 43,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.67 : 77,765.31 = 31,201.17 : x
  2. Step 2: Convert to fraction form
    56,351.67/77,765.31 = 31,201.17/x
  3. Step 3: Cross multiply
    56,351.67x = 77,765.31 × 31,201.17
  4. Step 4: Simplify right side
    56,351.67x = 2,426,368,657.41
  5. Step 5: Solve for x
    x = 2,426,368,657.41/56,351.67
  6. Step 6: Final answer
    x = 43,057.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.