Home / 55,750.33-76,936.40-31,877.20

Finding the Fourth Proportional to 55,750.33, 76,936.40 and 31,877.20

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Solution

The fourth proportional to 55,750.33, 76,936.40 and 31,877.20 is: 43,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.33 : 76,936.40 = 31,877.20 : x
  2. Step 2: Convert to fraction form
    55,750.33/76,936.40 = 31,877.20/x
  3. Step 3: Cross multiply
    55,750.33x = 76,936.40 × 31,877.20
  4. Step 4: Simplify right side
    55,750.33x = 2,452,517,010.08
  5. Step 5: Solve for x
    x = 2,452,517,010.08/55,750.33
  6. Step 6: Final answer
    x = 43,991.08

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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.