Home / 38,646.96-57,970.44-20,174.64

Finding the Fourth Proportional to 38,646.96, 57,970.44 and 20,174.64

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Solution

The fourth proportional to 38,646.96, 57,970.44 and 20,174.64 is: 30,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,646.96 : 57,970.44 = 20,174.64 : x
  2. Step 2: Convert to fraction form
    38,646.96/57,970.44 = 20,174.64/x
  3. Step 3: Cross multiply
    38,646.96x = 57,970.44 × 20,174.64
  4. Step 4: Simplify right side
    38,646.96x = 1,169,532,757.64
  5. Step 5: Solve for x
    x = 1,169,532,757.64/38,646.96
  6. Step 6: Final answer
    x = 30,261.96

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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.