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Finding the Fourth Proportional to 57,065.70, 85,610.70 and 17,626.80

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Solution

The fourth proportional to 57,065.70, 85,610.70 and 17,626.80 is: 26,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.70 : 85,610.70 = 17,626.80 : x
  2. Step 2: Convert to fraction form
    57,065.70/85,610.70 = 17,626.80/x
  3. Step 3: Cross multiply
    57,065.70x = 85,610.70 × 17,626.80
  4. Step 4: Simplify right side
    57,065.70x = 1,509,042,686.76
  5. Step 5: Solve for x
    x = 1,509,042,686.76/57,065.70
  6. Step 6: Final answer
    x = 26,443.95

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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.