Home / 38,787.66-53,532-23,677.16

Finding the Fourth Proportional to 38,787.66, 53,532 and 23,677.16

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Solution

The fourth proportional to 38,787.66, 53,532 and 23,677.16 is: 32,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.66 : 53,532 = 23,677.16 : x
  2. Step 2: Convert to fraction form
    38,787.66/53,532 = 23,677.16/x
  3. Step 3: Cross multiply
    38,787.66x = 53,532 × 23,677.16
  4. Step 4: Simplify right side
    38,787.66x = 1,267,485,729.12
  5. Step 5: Solve for x
    x = 1,267,485,729.12/38,787.66
  6. Step 6: Final answer
    x = 32,677.55

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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.