Home / 38,871.88-53,673.33-30,359.14

Finding the Fourth Proportional to 38,871.88, 53,673.33 and 30,359.14

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Solution

The fourth proportional to 38,871.88, 53,673.33 and 30,359.14 is: 41,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.88 : 53,673.33 = 30,359.14 : x
  2. Step 2: Convert to fraction form
    38,871.88/53,673.33 = 30,359.14/x
  3. Step 3: Cross multiply
    38,871.88x = 53,673.33 × 30,359.14
  4. Step 4: Simplify right side
    38,871.88x = 1,629,476,139.74
  5. Step 5: Solve for x
    x = 1,629,476,139.74/38,871.88
  6. Step 6: Final answer
    x = 41,919.15

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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.