Home / 39,770.70-59,654.67-10,188.83

Finding the Fourth Proportional to 39,770.70, 59,654.67 and 10,188.83

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Solution

The fourth proportional to 39,770.70, 59,654.67 and 10,188.83 is: 15,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.70 : 59,654.67 = 10,188.83 : x
  2. Step 2: Convert to fraction form
    39,770.70/59,654.67 = 10,188.83/x
  3. Step 3: Cross multiply
    39,770.70x = 59,654.67 × 10,188.83
  4. Step 4: Simplify right side
    39,770.70x = 607,811,291.34
  5. Step 5: Solve for x
    x = 607,811,291.34/39,770.70
  6. Step 6: Final answer
    x = 15,282.89

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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.