Home / 55,610.64-76,741.92-31,751.28

Finding the Fourth Proportional to 55,610.64, 76,741.92 and 31,751.28

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Solution

The fourth proportional to 55,610.64, 76,741.92 and 31,751.28 is: 43,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.64 : 76,741.92 = 31,751.28 : x
  2. Step 2: Convert to fraction form
    55,610.64/76,741.92 = 31,751.28/x
  3. Step 3: Cross multiply
    55,610.64x = 76,741.92 × 31,751.28
  4. Step 4: Simplify right side
    55,610.64x = 2,436,654,189.66
  5. Step 5: Solve for x
    x = 2,436,654,189.66/55,610.64
  6. Step 6: Final answer
    x = 43,816.33

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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.