Home / 39,857.70-59,772.58-11,770.26

Finding the Fourth Proportional to 39,857.70, 59,772.58 and 11,770.26

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Solution

The fourth proportional to 39,857.70, 59,772.58 and 11,770.26 is: 17,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.70 : 59,772.58 = 11,770.26 : x
  2. Step 2: Convert to fraction form
    39,857.70/59,772.58 = 11,770.26/x
  3. Step 3: Cross multiply
    39,857.70x = 59,772.58 × 11,770.26
  4. Step 4: Simplify right side
    39,857.70x = 703,538,807.47
  5. Step 5: Solve for x
    x = 703,538,807.47/39,857.70
  6. Step 6: Final answer
    x = 17,651.26

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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.