Home / 55,110.18-75,917.07-39,958.32

Finding the Fourth Proportional to 55,110.18, 75,917.07 and 39,958.32

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Solution

The fourth proportional to 55,110.18, 75,917.07 and 39,958.32 is: 55,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.18 : 75,917.07 = 39,958.32 : x
  2. Step 2: Convert to fraction form
    55,110.18/75,917.07 = 39,958.32/x
  3. Step 3: Cross multiply
    55,110.18x = 75,917.07 × 39,958.32
  4. Step 4: Simplify right side
    55,110.18x = 3,033,518,576.52
  5. Step 5: Solve for x
    x = 3,033,518,576.52/55,110.18
  6. Step 6: Final answer
    x = 55,044.61

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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.