Home / 39,092.22-53,947.24-21,187.22

Finding the Fourth Proportional to 39,092.22, 53,947.24 and 21,187.22

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Solution

The fourth proportional to 39,092.22, 53,947.24 and 21,187.22 is: 29,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.22 : 53,947.24 = 21,187.22 : x
  2. Step 2: Convert to fraction form
    39,092.22/53,947.24 = 21,187.22/x
  3. Step 3: Cross multiply
    39,092.22x = 53,947.24 × 21,187.22
  4. Step 4: Simplify right side
    39,092.22x = 1,142,991,719.57
  5. Step 5: Solve for x
    x = 1,142,991,719.57/39,092.22
  6. Step 6: Final answer
    x = 29,238.34

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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.