Home / 55,110-76,051.62-29,959.32

Finding the Fourth Proportional to 55,110, 76,051.62 and 29,959.32

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Solution

The fourth proportional to 55,110, 76,051.62 and 29,959.32 is: 41,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110 : 76,051.62 = 29,959.32 : x
  2. Step 2: Convert to fraction form
    55,110/76,051.62 = 29,959.32/x
  3. Step 3: Cross multiply
    55,110x = 76,051.62 × 29,959.32
  4. Step 4: Simplify right side
    55,110x = 2,278,454,820.10
  5. Step 5: Solve for x
    x = 2,278,454,820.10/55,110
  6. Step 6: Final answer
    x = 41,343.76

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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.