Home / 38,016.02-57,004.56-20,256.80

Finding the Fourth Proportional to 38,016.02, 57,004.56 and 20,256.80

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Solution

The fourth proportional to 38,016.02, 57,004.56 and 20,256.80 is: 30,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.02 : 57,004.56 = 20,256.80 : x
  2. Step 2: Convert to fraction form
    38,016.02/57,004.56 = 20,256.80/x
  3. Step 3: Cross multiply
    38,016.02x = 57,004.56 × 20,256.80
  4. Step 4: Simplify right side
    38,016.02x = 1,154,729,971.01
  5. Step 5: Solve for x
    x = 1,154,729,971.01/38,016.02
  6. Step 6: Final answer
    x = 30,374.83

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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.