Home / 39,102.03-53,961.07-21,197.31

Finding the Fourth Proportional to 39,102.03, 53,961.07 and 21,197.31

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Solution

The fourth proportional to 39,102.03, 53,961.07 and 21,197.31 is: 29,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.03 : 53,961.07 = 21,197.31 : x
  2. Step 2: Convert to fraction form
    39,102.03/53,961.07 = 21,197.31/x
  3. Step 3: Cross multiply
    39,102.03x = 53,961.07 × 21,197.31
  4. Step 4: Simplify right side
    39,102.03x = 1,143,829,528.72
  5. Step 5: Solve for x
    x = 1,143,829,528.72/39,102.03
  6. Step 6: Final answer
    x = 29,252.43

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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.