Home / 39,092.06-53,947.07-21,186.89

Finding the Fourth Proportional to 39,092.06, 53,947.07 and 21,186.89

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Solution

The fourth proportional to 39,092.06, 53,947.07 and 21,186.89 is: 29,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.06 : 53,947.07 = 21,186.89 : x
  2. Step 2: Convert to fraction form
    39,092.06/53,947.07 = 21,186.89/x
  3. Step 3: Cross multiply
    39,092.06x = 53,947.07 × 21,186.89
  4. Step 4: Simplify right side
    39,092.06x = 1,142,970,262.24
  5. Step 5: Solve for x
    x = 1,142,970,262.24/39,092.06
  6. Step 6: Final answer
    x = 29,237.92

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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.