Home / 54,056.02-81,028.38-20,767.06

Finding the Fourth Proportional to 54,056.02, 81,028.38 and 20,767.06

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Solution

The fourth proportional to 54,056.02, 81,028.38 and 20,767.06 is: 31,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.02 : 81,028.38 = 20,767.06 : x
  2. Step 2: Convert to fraction form
    54,056.02/81,028.38 = 20,767.06/x
  3. Step 3: Cross multiply
    54,056.02x = 81,028.38 × 20,767.06
  4. Step 4: Simplify right side
    54,056.02x = 1,682,721,229.16
  5. Step 5: Solve for x
    x = 1,682,721,229.16/54,056.02
  6. Step 6: Final answer
    x = 31,129.21

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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.