Home / 55,350.50-76,375.98-31,474.53

Finding the Fourth Proportional to 55,350.50, 76,375.98 and 31,474.53

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Solution

The fourth proportional to 55,350.50, 76,375.98 and 31,474.53 is: 43,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.50 : 76,375.98 = 31,474.53 : x
  2. Step 2: Convert to fraction form
    55,350.50/76,375.98 = 31,474.53/x
  3. Step 3: Cross multiply
    55,350.50x = 76,375.98 × 31,474.53
  4. Step 4: Simplify right side
    55,350.50x = 2,403,898,073.79
  5. Step 5: Solve for x
    x = 2,403,898,073.79/55,350.50
  6. Step 6: Final answer
    x = 43,430.47

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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.