Home / 39,240.40-58,872.75-13,596.91

Finding the Fourth Proportional to 39,240.40, 58,872.75 and 13,596.91

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Solution

The fourth proportional to 39,240.40, 58,872.75 and 13,596.91 is: 20,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.40 : 58,872.75 = 13,596.91 : x
  2. Step 2: Convert to fraction form
    39,240.40/58,872.75 = 13,596.91/x
  3. Step 3: Cross multiply
    39,240.40x = 58,872.75 × 13,596.91
  4. Step 4: Simplify right side
    39,240.40x = 800,487,654.43
  5. Step 5: Solve for x
    x = 800,487,654.43/39,240.40
  6. Step 6: Final answer
    x = 20,399.58

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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.