Home / 54,433.16-81,693.48-28,145.60

Finding the Fourth Proportional to 54,433.16, 81,693.48 and 28,145.60

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Solution

The fourth proportional to 54,433.16, 81,693.48 and 28,145.60 is: 42,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.16 : 81,693.48 = 28,145.60 : x
  2. Step 2: Convert to fraction form
    54,433.16/81,693.48 = 28,145.60/x
  3. Step 3: Cross multiply
    54,433.16x = 81,693.48 × 28,145.60
  4. Step 4: Simplify right side
    54,433.16x = 2,299,312,010.69
  5. Step 5: Solve for x
    x = 2,299,312,010.69/54,433.16
  6. Step 6: Final answer
    x = 42,241.02

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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.