Home / 57,739.02-86,616.66-18,299.22

Finding the Fourth Proportional to 57,739.02, 86,616.66 and 18,299.22

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Solution

The fourth proportional to 57,739.02, 86,616.66 and 18,299.22 is: 27,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,739.02 : 86,616.66 = 18,299.22 : x
  2. Step 2: Convert to fraction form
    57,739.02/86,616.66 = 18,299.22/x
  3. Step 3: Cross multiply
    57,739.02x = 86,616.66 × 18,299.22
  4. Step 4: Simplify right side
    57,739.02x = 1,585,017,317.01
  5. Step 5: Solve for x
    x = 1,585,017,317.01/57,739.02
  6. Step 6: Final answer
    x = 27,451.41

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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.