Home / 55,868.45-77,099.98-30,376.54

Finding the Fourth Proportional to 55,868.45, 77,099.98 and 30,376.54

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Solution

The fourth proportional to 55,868.45, 77,099.98 and 30,376.54 is: 41,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.45 : 77,099.98 = 30,376.54 : x
  2. Step 2: Convert to fraction form
    55,868.45/77,099.98 = 30,376.54/x
  3. Step 3: Cross multiply
    55,868.45x = 77,099.98 × 30,376.54
  4. Step 4: Simplify right side
    55,868.45x = 2,342,030,375.31
  5. Step 5: Solve for x
    x = 2,342,030,375.31/55,868.45
  6. Step 6: Final answer
    x = 41,920.45

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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.