Home / 56,737.56-78,297.18-31,243.35

Finding the Fourth Proportional to 56,737.56, 78,297.18 and 31,243.35

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Solution

The fourth proportional to 56,737.56, 78,297.18 and 31,243.35 is: 43,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.56 : 78,297.18 = 31,243.35 : x
  2. Step 2: Convert to fraction form
    56,737.56/78,297.18 = 31,243.35/x
  3. Step 3: Cross multiply
    56,737.56x = 78,297.18 × 31,243.35
  4. Step 4: Simplify right side
    56,737.56x = 2,446,266,198.75
  5. Step 5: Solve for x
    x = 2,446,266,198.75/56,737.56
  6. Step 6: Final answer
    x = 43,115.46

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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.