Home / 55,637.64-76,786.38-31,767.75

Finding the Fourth Proportional to 55,637.64, 76,786.38 and 31,767.75

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Solution

The fourth proportional to 55,637.64, 76,786.38 and 31,767.75 is: 43,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,637.64 : 76,786.38 = 31,767.75 : x
  2. Step 2: Convert to fraction form
    55,637.64/76,786.38 = 31,767.75/x
  3. Step 3: Cross multiply
    55,637.64x = 76,786.38 × 31,767.75
  4. Step 4: Simplify right side
    55,637.64x = 2,439,330,523.25
  5. Step 5: Solve for x
    x = 2,439,330,523.25/55,637.64
  6. Step 6: Final answer
    x = 43,843.17

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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.