Home / 39,513.92-59,239.92-19,782.56

Finding the Fourth Proportional to 39,513.92, 59,239.92 and 19,782.56

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Solution

The fourth proportional to 39,513.92, 59,239.92 and 19,782.56 is: 29,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,513.92 : 59,239.92 = 19,782.56 : x
  2. Step 2: Convert to fraction form
    39,513.92/59,239.92 = 19,782.56/x
  3. Step 3: Cross multiply
    39,513.92x = 59,239.92 × 19,782.56
  4. Step 4: Simplify right side
    39,513.92x = 1,171,917,271.80
  5. Step 5: Solve for x
    x = 1,171,917,271.80/39,513.92
  6. Step 6: Final answer
    x = 29,658.34

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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.