Home / 55,014-75,919.14-29,863.32

Finding the Fourth Proportional to 55,014, 75,919.14 and 29,863.32

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Solution

The fourth proportional to 55,014, 75,919.14 and 29,863.32 is: 41,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,014 : 75,919.14 = 29,863.32 : x
  2. Step 2: Convert to fraction form
    55,014/75,919.14 = 29,863.32/x
  3. Step 3: Cross multiply
    55,014x = 75,919.14 × 29,863.32
  4. Step 4: Simplify right side
    55,014x = 2,267,197,571.94
  5. Step 5: Solve for x
    x = 2,267,197,571.94/55,014
  6. Step 6: Final answer
    x = 41,211.28

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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.