Home / 38,448.40-57,672.60-33,686.80

Finding the Fourth Proportional to 38,448.40, 57,672.60 and 33,686.80

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Solution

The fourth proportional to 38,448.40, 57,672.60 and 33,686.80 is: 50,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.40 : 57,672.60 = 33,686.80 : x
  2. Step 2: Convert to fraction form
    38,448.40/57,672.60 = 33,686.80/x
  3. Step 3: Cross multiply
    38,448.40x = 57,672.60 × 33,686.80
  4. Step 4: Simplify right side
    38,448.40x = 1,942,805,341.68
  5. Step 5: Solve for x
    x = 1,942,805,341.68/38,448.40
  6. Step 6: Final answer
    x = 50,530.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.