Home / 57,850.02-86,757.75-20,403

Finding the Fourth Proportional to 57,850.02, 86,757.75 and 20,403

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Solution

The fourth proportional to 57,850.02, 86,757.75 and 20,403 is: 30,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.02 : 86,757.75 = 20,403 : x
  2. Step 2: Convert to fraction form
    57,850.02/86,757.75 = 20,403/x
  3. Step 3: Cross multiply
    57,850.02x = 86,757.75 × 20,403
  4. Step 4: Simplify right side
    57,850.02x = 1,770,118,373.25
  5. Step 5: Solve for x
    x = 1,770,118,373.25/57,850.02
  6. Step 6: Final answer
    x = 30,598.41

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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.