Home / 54,530.48-81,797.34-15,090.50

Finding the Fourth Proportional to 54,530.48, 81,797.34 and 15,090.50

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Solution

The fourth proportional to 54,530.48, 81,797.34 and 15,090.50 is: 22,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.48 : 81,797.34 = 15,090.50 : x
  2. Step 2: Convert to fraction form
    54,530.48/81,797.34 = 15,090.50/x
  3. Step 3: Cross multiply
    54,530.48x = 81,797.34 × 15,090.50
  4. Step 4: Simplify right side
    54,530.48x = 1,234,362,759.27
  5. Step 5: Solve for x
    x = 1,234,362,759.27/54,530.48
  6. Step 6: Final answer
    x = 22,636.20

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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.