Home / 23,087.80-34,631.70-20,171.80

Finding the Fourth Proportional to 23,087.80, 34,631.70 and 20,171.80

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Solution

The fourth proportional to 23,087.80, 34,631.70 and 20,171.80 is: 30,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,087.80 : 34,631.70 = 20,171.80 : x
  2. Step 2: Convert to fraction form
    23,087.80/34,631.70 = 20,171.80/x
  3. Step 3: Cross multiply
    23,087.80x = 34,631.70 × 20,171.80
  4. Step 4: Simplify right side
    23,087.80x = 698,583,726.06
  5. Step 5: Solve for x
    x = 698,583,726.06/23,087.80
  6. Step 6: Final answer
    x = 30,257.70

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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.