Home / 55,115.07-82,709.37-35,407.77

Finding the Fourth Proportional to 55,115.07, 82,709.37 and 35,407.77

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Solution

The fourth proportional to 55,115.07, 82,709.37 and 35,407.77 is: 53,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.07 : 82,709.37 = 35,407.77 : x
  2. Step 2: Convert to fraction form
    55,115.07/82,709.37 = 35,407.77/x
  3. Step 3: Cross multiply
    55,115.07x = 82,709.37 × 35,407.77
  4. Step 4: Simplify right side
    55,115.07x = 2,928,554,349.80
  5. Step 5: Solve for x
    x = 2,928,554,349.80/55,115.07
  6. Step 6: Final answer
    x = 53,135.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.