Home / 38,957.27-53,761.05-21,052.27

Finding the Fourth Proportional to 38,957.27, 53,761.05 and 21,052.27

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Solution

The fourth proportional to 38,957.27, 53,761.05 and 21,052.27 is: 29,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.27 : 53,761.05 = 21,052.27 : x
  2. Step 2: Convert to fraction form
    38,957.27/53,761.05 = 21,052.27/x
  3. Step 3: Cross multiply
    38,957.27x = 53,761.05 × 21,052.27
  4. Step 4: Simplify right side
    38,957.27x = 1,131,792,005.68
  5. Step 5: Solve for x
    x = 1,131,792,005.68/38,957.27
  6. Step 6: Final answer
    x = 29,052.14

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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.