Home / 34,765.70-52,155.80-11,390.30

Finding the Fourth Proportional to 34,765.70, 52,155.80 and 11,390.30

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Solution

The fourth proportional to 34,765.70, 52,155.80 and 11,390.30 is: 17,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.70 : 52,155.80 = 11,390.30 : x
  2. Step 2: Convert to fraction form
    34,765.70/52,155.80 = 11,390.30/x
  3. Step 3: Cross multiply
    34,765.70x = 52,155.80 × 11,390.30
  4. Step 4: Simplify right side
    34,765.70x = 594,069,976.44
  5. Step 5: Solve for x
    x = 594,069,976.44/34,765.70
  6. Step 6: Final answer
    x = 17,087.82

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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.