Home / 39,770.58-59,654.49-10,188.70

Finding the Fourth Proportional to 39,770.58, 59,654.49 and 10,188.70

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Solution

The fourth proportional to 39,770.58, 59,654.49 and 10,188.70 is: 15,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.58 : 59,654.49 = 10,188.70 : x
  2. Step 2: Convert to fraction form
    39,770.58/59,654.49 = 10,188.70/x
  3. Step 3: Cross multiply
    39,770.58x = 59,654.49 × 10,188.70
  4. Step 4: Simplify right side
    39,770.58x = 607,801,702.26
  5. Step 5: Solve for x
    x = 607,801,702.26/39,770.58
  6. Step 6: Final answer
    x = 15,282.70

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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.