Home / 54,501.20-81,816.60-30,827.60

Finding the Fourth Proportional to 54,501.20, 81,816.60 and 30,827.60

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Solution

The fourth proportional to 54,501.20, 81,816.60 and 30,827.60 is: 46,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.20 : 81,816.60 = 30,827.60 : x
  2. Step 2: Convert to fraction form
    54,501.20/81,816.60 = 30,827.60/x
  3. Step 3: Cross multiply
    54,501.20x = 81,816.60 × 30,827.60
  4. Step 4: Simplify right side
    54,501.20x = 2,522,209,418.16
  5. Step 5: Solve for x
    x = 2,522,209,418.16/54,501.20
  6. Step 6: Final answer
    x = 46,278.05

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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.