Home / 39,019.03-53,846.40-21,114.03

Finding the Fourth Proportional to 39,019.03, 53,846.40 and 21,114.03

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Solution

The fourth proportional to 39,019.03, 53,846.40 and 21,114.03 is: 29,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.03 : 53,846.40 = 21,114.03 : x
  2. Step 2: Convert to fraction form
    39,019.03/53,846.40 = 21,114.03/x
  3. Step 3: Cross multiply
    39,019.03x = 53,846.40 × 21,114.03
  4. Step 4: Simplify right side
    39,019.03x = 1,136,914,726.71
  5. Step 5: Solve for x
    x = 1,136,914,726.71/39,019.03
  6. Step 6: Final answer
    x = 29,137.44

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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.