Home / 38,527.14-53,169.09-21,531.38

Finding the Fourth Proportional to 38,527.14, 53,169.09 and 21,531.38

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Solution

The fourth proportional to 38,527.14, 53,169.09 and 21,531.38 is: 29,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.14 : 53,169.09 = 21,531.38 : x
  2. Step 2: Convert to fraction form
    38,527.14/53,169.09 = 21,531.38/x
  3. Step 3: Cross multiply
    38,527.14x = 53,169.09 × 21,531.38
  4. Step 4: Simplify right side
    38,527.14x = 1,144,804,032.54
  5. Step 5: Solve for x
    x = 1,144,804,032.54/38,527.14
  6. Step 6: Final answer
    x = 29,714.22

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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.