Home / 54,399.66-81,533.88-28,090.05

Finding the Fourth Proportional to 54,399.66, 81,533.88 and 28,090.05

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Solution

The fourth proportional to 54,399.66, 81,533.88 and 28,090.05 is: 42,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.66 : 81,533.88 = 28,090.05 : x
  2. Step 2: Convert to fraction form
    54,399.66/81,533.88 = 28,090.05/x
  3. Step 3: Cross multiply
    54,399.66x = 81,533.88 × 28,090.05
  4. Step 4: Simplify right side
    54,399.66x = 2,290,290,765.89
  5. Step 5: Solve for x
    x = 2,290,290,765.89/54,399.66
  6. Step 6: Final answer
    x = 42,101.20

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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.