Home / 38,787.80-53,534.14-22,871.30

Finding the Fourth Proportional to 38,787.80, 53,534.14 and 22,871.30

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Solution

The fourth proportional to 38,787.80, 53,534.14 and 22,871.30 is: 31,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.80 : 53,534.14 = 22,871.30 : x
  2. Step 2: Convert to fraction form
    38,787.80/53,534.14 = 22,871.30/x
  3. Step 3: Cross multiply
    38,787.80x = 53,534.14 × 22,871.30
  4. Step 4: Simplify right side
    38,787.80x = 1,224,395,376.18
  5. Step 5: Solve for x
    x = 1,224,395,376.18/38,787.80
  6. Step 6: Final answer
    x = 31,566.51

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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.