Home / 38,241.12-57,376.40-18,518.16

Finding the Fourth Proportional to 38,241.12, 57,376.40 and 18,518.16

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Solution

The fourth proportional to 38,241.12, 57,376.40 and 18,518.16 is: 27,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.12 : 57,376.40 = 18,518.16 : x
  2. Step 2: Convert to fraction form
    38,241.12/57,376.40 = 18,518.16/x
  3. Step 3: Cross multiply
    38,241.12x = 57,376.40 × 18,518.16
  4. Step 4: Simplify right side
    38,241.12x = 1,062,505,355.42
  5. Step 5: Solve for x
    x = 1,062,505,355.42/38,241.12
  6. Step 6: Final answer
    x = 27,784.37

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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.