Home / 55,731.09-76,914.30-31,853.22

Finding the Fourth Proportional to 55,731.09, 76,914.30 and 31,853.22

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Solution

The fourth proportional to 55,731.09, 76,914.30 and 31,853.22 is: 43,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.09 : 76,914.30 = 31,853.22 : x
  2. Step 2: Convert to fraction form
    55,731.09/76,914.30 = 31,853.22/x
  3. Step 3: Cross multiply
    55,731.09x = 76,914.30 × 31,853.22
  4. Step 4: Simplify right side
    55,731.09x = 2,449,968,119.05
  5. Step 5: Solve for x
    x = 2,449,968,119.05/55,731.09
  6. Step 6: Final answer
    x = 43,960.53

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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.