Home / 55,716.19-76,893.60-31,838.25

Finding the Fourth Proportional to 55,716.19, 76,893.60 and 31,838.25

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Solution

The fourth proportional to 55,716.19, 76,893.60 and 31,838.25 is: 43,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.19 : 76,893.60 = 31,838.25 : x
  2. Step 2: Convert to fraction form
    55,716.19/76,893.60 = 31,838.25/x
  3. Step 3: Cross multiply
    55,716.19x = 76,893.60 × 31,838.25
  4. Step 4: Simplify right side
    55,716.19x = 2,448,157,660.20
  5. Step 5: Solve for x
    x = 2,448,157,660.20/55,716.19
  6. Step 6: Final answer
    x = 43,939.79

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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.