Home / 54,661.71-75,407.38-31,986.79

Finding the Fourth Proportional to 54,661.71, 75,407.38 and 31,986.79

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Solution

The fourth proportional to 54,661.71, 75,407.38 and 31,986.79 is: 44,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.71 : 75,407.38 = 31,986.79 : x
  2. Step 2: Convert to fraction form
    54,661.71/75,407.38 = 31,986.79/x
  3. Step 3: Cross multiply
    54,661.71x = 75,407.38 × 31,986.79
  4. Step 4: Simplify right side
    54,661.71x = 2,412,039,760.02
  5. Step 5: Solve for x
    x = 2,412,039,760.02/54,661.71
  6. Step 6: Final answer
    x = 44,126.68

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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.