Home / 38,114.52-57,171.84-15,915.81

Finding the Fourth Proportional to 38,114.52, 57,171.84 and 15,915.81

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Solution

The fourth proportional to 38,114.52, 57,171.84 and 15,915.81 is: 23,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.52 : 57,171.84 = 15,915.81 : x
  2. Step 2: Convert to fraction form
    38,114.52/57,171.84 = 15,915.81/x
  3. Step 3: Cross multiply
    38,114.52x = 57,171.84 × 15,915.81
  4. Step 4: Simplify right side
    38,114.52x = 909,936,142.79
  5. Step 5: Solve for x
    x = 909,936,142.79/38,114.52
  6. Step 6: Final answer
    x = 23,873.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.