Home / 56,737.66-78,296.56-31,243.82

Finding the Fourth Proportional to 56,737.66, 78,296.56 and 31,243.82

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Solution

The fourth proportional to 56,737.66, 78,296.56 and 31,243.82 is: 43,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.66 : 78,296.56 = 31,243.82 : x
  2. Step 2: Convert to fraction form
    56,737.66/78,296.56 = 31,243.82/x
  3. Step 3: Cross multiply
    56,737.66x = 78,296.56 × 31,243.82
  4. Step 4: Simplify right side
    56,737.66x = 2,446,283,471.04
  5. Step 5: Solve for x
    x = 2,446,283,471.04/56,737.66
  6. Step 6: Final answer
    x = 43,115.69

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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.