Home / 57,079.82-85,598.45-19,629.29

Finding the Fourth Proportional to 57,079.82, 85,598.45 and 19,629.29

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Solution

The fourth proportional to 57,079.82, 85,598.45 and 19,629.29 is: 29,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.82 : 85,598.45 = 19,629.29 : x
  2. Step 2: Convert to fraction form
    57,079.82/85,598.45 = 19,629.29/x
  3. Step 3: Cross multiply
    57,079.82x = 85,598.45 × 19,629.29
  4. Step 4: Simplify right side
    57,079.82x = 1,680,236,700.45
  5. Step 5: Solve for x
    x = 1,680,236,700.45/57,079.82
  6. Step 6: Final answer
    x = 29,436.62

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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.