Home / 54,280.96-81,312-27,181.60

Finding the Fourth Proportional to 54,280.96, 81,312 and 27,181.60

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Solution

The fourth proportional to 54,280.96, 81,312 and 27,181.60 is: 40,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.96 : 81,312 = 27,181.60 : x
  2. Step 2: Convert to fraction form
    54,280.96/81,312 = 27,181.60/x
  3. Step 3: Cross multiply
    54,280.96x = 81,312 × 27,181.60
  4. Step 4: Simplify right side
    54,280.96x = 2,210,190,259.20
  5. Step 5: Solve for x
    x = 2,210,190,259.20/54,280.96
  6. Step 6: Final answer
    x = 40,717.60

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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.