Home / 57,090.11-85,643.36-17,650.30

Finding the Fourth Proportional to 57,090.11, 85,643.36 and 17,650.30

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Solution

The fourth proportional to 57,090.11, 85,643.36 and 17,650.30 is: 26,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.11 : 85,643.36 = 17,650.30 : x
  2. Step 2: Convert to fraction form
    57,090.11/85,643.36 = 17,650.30/x
  3. Step 3: Cross multiply
    57,090.11x = 85,643.36 × 17,650.30
  4. Step 4: Simplify right side
    57,090.11x = 1,511,630,997.01
  5. Step 5: Solve for x
    x = 1,511,630,997.01/57,090.11
  6. Step 6: Final answer
    x = 26,477.98

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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.