Home / 56,458.25-84,687.27-31,156.54

Finding the Fourth Proportional to 56,458.25, 84,687.27 and 31,156.54

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Solution

The fourth proportional to 56,458.25, 84,687.27 and 31,156.54 is: 46,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.25 : 84,687.27 = 31,156.54 : x
  2. Step 2: Convert to fraction form
    56,458.25/84,687.27 = 31,156.54/x
  3. Step 3: Cross multiply
    56,458.25x = 84,687.27 × 31,156.54
  4. Step 4: Simplify right side
    56,458.25x = 2,638,562,161.95
  5. Step 5: Solve for x
    x = 2,638,562,161.95/56,458.25
  6. Step 6: Final answer
    x = 46,734.75

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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.