Home / 40,200.96-60,268.32-19,132.64

Finding the Fourth Proportional to 40,200.96, 60,268.32 and 19,132.64

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Solution

The fourth proportional to 40,200.96, 60,268.32 and 19,132.64 is: 28,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.96 : 60,268.32 = 19,132.64 : x
  2. Step 2: Convert to fraction form
    40,200.96/60,268.32 = 19,132.64/x
  3. Step 3: Cross multiply
    40,200.96x = 60,268.32 × 19,132.64
  4. Step 4: Simplify right side
    40,200.96x = 1,153,092,069.96
  5. Step 5: Solve for x
    x = 1,153,092,069.96/40,200.96
  6. Step 6: Final answer
    x = 28,683.20

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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.