Home / 38,195.47-57,258.58-20,644.80

Finding the Fourth Proportional to 38,195.47, 57,258.58 and 20,644.80

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Solution

The fourth proportional to 38,195.47, 57,258.58 and 20,644.80 is: 30,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.47 : 57,258.58 = 20,644.80 : x
  2. Step 2: Convert to fraction form
    38,195.47/57,258.58 = 20,644.80/x
  3. Step 3: Cross multiply
    38,195.47x = 57,258.58 × 20,644.80
  4. Step 4: Simplify right side
    38,195.47x = 1,182,091,932.38
  5. Step 5: Solve for x
    x = 1,182,091,932.38/38,195.47
  6. Step 6: Final answer
    x = 30,948.49

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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.