Home / 55,062.69-75,983.97-31,189.56

Finding the Fourth Proportional to 55,062.69, 75,983.97 and 31,189.56

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Solution

The fourth proportional to 55,062.69, 75,983.97 and 31,189.56 is: 43,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.69 : 75,983.97 = 31,189.56 : x
  2. Step 2: Convert to fraction form
    55,062.69/75,983.97 = 31,189.56/x
  3. Step 3: Cross multiply
    55,062.69x = 75,983.97 × 31,189.56
  4. Step 4: Simplify right side
    55,062.69x = 2,369,906,591.35
  5. Step 5: Solve for x
    x = 2,369,906,591.35/55,062.69
  6. Step 6: Final answer
    x = 43,040.15

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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.