Home / 57,090.74-85,644.30-17,650.92

Finding the Fourth Proportional to 57,090.74, 85,644.30 and 17,650.92

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Solution

The fourth proportional to 57,090.74, 85,644.30 and 17,650.92 is: 26,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.74 : 85,644.30 = 17,650.92 : x
  2. Step 2: Convert to fraction form
    57,090.74/85,644.30 = 17,650.92/x
  3. Step 3: Cross multiply
    57,090.74x = 85,644.30 × 17,650.92
  4. Step 4: Simplify right side
    57,090.74x = 1,511,700,687.76
  5. Step 5: Solve for x
    x = 1,511,700,687.76/57,090.74
  6. Step 6: Final answer
    x = 26,478.91

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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.