Home / 57,388.02-86,078.79-17,940.48

Finding the Fourth Proportional to 57,388.02, 86,078.79 and 17,940.48

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Solution

The fourth proportional to 57,388.02, 86,078.79 and 17,940.48 is: 26,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.02 : 86,078.79 = 17,940.48 : x
  2. Step 2: Convert to fraction form
    57,388.02/86,078.79 = 17,940.48/x
  3. Step 3: Cross multiply
    57,388.02x = 86,078.79 × 17,940.48
  4. Step 4: Simplify right side
    57,388.02x = 1,544,294,810.42
  5. Step 5: Solve for x
    x = 1,544,294,810.42/57,388.02
  6. Step 6: Final answer
    x = 26,909.71

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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.