Home / 57,170.46-85,764.78-17,719.41

Finding the Fourth Proportional to 57,170.46, 85,764.78 and 17,719.41

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Solution

The fourth proportional to 57,170.46, 85,764.78 and 17,719.41 is: 26,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.46 : 85,764.78 = 17,719.41 : x
  2. Step 2: Convert to fraction form
    57,170.46/85,764.78 = 17,719.41/x
  3. Step 3: Cross multiply
    57,170.46x = 85,764.78 × 17,719.41
  4. Step 4: Simplify right side
    57,170.46x = 1,519,701,300.38
  5. Step 5: Solve for x
    x = 1,519,701,300.38/57,170.46
  6. Step 6: Final answer
    x = 26,581.93

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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.