Home / 38,535.22-53,177.94-21,539.80

Finding the Fourth Proportional to 38,535.22, 53,177.94 and 21,539.80

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Solution

The fourth proportional to 38,535.22, 53,177.94 and 21,539.80 is: 29,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.22 : 53,177.94 = 21,539.80 : x
  2. Step 2: Convert to fraction form
    38,535.22/53,177.94 = 21,539.80/x
  3. Step 3: Cross multiply
    38,535.22x = 53,177.94 × 21,539.80
  4. Step 4: Simplify right side
    38,535.22x = 1,145,442,192.01
  5. Step 5: Solve for x
    x = 1,145,442,192.01/38,535.22
  6. Step 6: Final answer
    x = 29,724.55

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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.