Home / 55,571.18-76,682.82-31,691.54

Finding the Fourth Proportional to 55,571.18, 76,682.82 and 31,691.54

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Solution

The fourth proportional to 55,571.18, 76,682.82 and 31,691.54 is: 43,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.18 : 76,682.82 = 31,691.54 : x
  2. Step 2: Convert to fraction form
    55,571.18/76,682.82 = 31,691.54/x
  3. Step 3: Cross multiply
    55,571.18x = 76,682.82 × 31,691.54
  4. Step 4: Simplify right side
    55,571.18x = 2,430,196,657.34
  5. Step 5: Solve for x
    x = 2,430,196,657.34/55,571.18
  6. Step 6: Final answer
    x = 43,731.24

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1.5x scale

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.