Home / 39,019.07-53,846.15-21,114.09

Finding the Fourth Proportional to 39,019.07, 53,846.15 and 21,114.09

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Solution

The fourth proportional to 39,019.07, 53,846.15 and 21,114.09 is: 29,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.07 : 53,846.15 = 21,114.09 : x
  2. Step 2: Convert to fraction form
    39,019.07/53,846.15 = 21,114.09/x
  3. Step 3: Cross multiply
    39,019.07x = 53,846.15 × 21,114.09
  4. Step 4: Simplify right side
    39,019.07x = 1,136,912,351.68
  5. Step 5: Solve for x
    x = 1,136,912,351.68/39,019.07
  6. Step 6: Final answer
    x = 29,137.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.