Home / 54,185.12-81,265.38-26,090.84

Finding the Fourth Proportional to 54,185.12, 81,265.38 and 26,090.84

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Solution

The fourth proportional to 54,185.12, 81,265.38 and 26,090.84 is: 39,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.12 : 81,265.38 = 26,090.84 : x
  2. Step 2: Convert to fraction form
    54,185.12/81,265.38 = 26,090.84/x
  3. Step 3: Cross multiply
    54,185.12x = 81,265.38 × 26,090.84
  4. Step 4: Simplify right side
    54,185.12x = 2,120,282,132.44
  5. Step 5: Solve for x
    x = 2,120,282,132.44/54,185.12
  6. Step 6: Final answer
    x = 39,130.34

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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.