Home / 56,234.25-77,603.40-31,083.75

Finding the Fourth Proportional to 56,234.25, 77,603.40 and 31,083.75

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Solution

The fourth proportional to 56,234.25, 77,603.40 and 31,083.75 is: 42,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,234.25 : 77,603.40 = 31,083.75 : x
  2. Step 2: Convert to fraction form
    56,234.25/77,603.40 = 31,083.75/x
  3. Step 3: Cross multiply
    56,234.25x = 77,603.40 × 31,083.75
  4. Step 4: Simplify right side
    56,234.25x = 2,412,204,684.75
  5. Step 5: Solve for x
    x = 2,412,204,684.75/56,234.25
  6. Step 6: Final answer
    x = 42,895.65

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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.