Home / 57,170.40-85,763.92-17,730.70

Finding the Fourth Proportional to 57,170.40, 85,763.92 and 17,730.70

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Solution

The fourth proportional to 57,170.40, 85,763.92 and 17,730.70 is: 26,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.40 : 85,763.92 = 17,730.70 : x
  2. Step 2: Convert to fraction form
    57,170.40/85,763.92 = 17,730.70/x
  3. Step 3: Cross multiply
    57,170.40x = 85,763.92 × 17,730.70
  4. Step 4: Simplify right side
    57,170.40x = 1,520,654,336.34
  5. Step 5: Solve for x
    x = 1,520,654,336.34/57,170.40
  6. Step 6: Final answer
    x = 26,598.63

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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.