Home / 57,635.46-86,476.23-20,702.34

Finding the Fourth Proportional to 57,635.46, 86,476.23 and 20,702.34

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Solution

The fourth proportional to 57,635.46, 86,476.23 and 20,702.34 is: 31,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635.46 : 86,476.23 = 20,702.34 : x
  2. Step 2: Convert to fraction form
    57,635.46/86,476.23 = 20,702.34/x
  3. Step 3: Cross multiply
    57,635.46x = 86,476.23 × 20,702.34
  4. Step 4: Simplify right side
    57,635.46x = 1,790,260,315.38
  5. Step 5: Solve for x
    x = 1,790,260,315.38/57,635.46
  6. Step 6: Final answer
    x = 31,061.79

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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.