Home / 39,156.40-58,734.60-18,096.40

Finding the Fourth Proportional to 39,156.40, 58,734.60 and 18,096.40

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Solution

The fourth proportional to 39,156.40, 58,734.60 and 18,096.40 is: 27,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.40 : 58,734.60 = 18,096.40 : x
  2. Step 2: Convert to fraction form
    39,156.40/58,734.60 = 18,096.40/x
  3. Step 3: Cross multiply
    39,156.40x = 58,734.60 × 18,096.40
  4. Step 4: Simplify right side
    39,156.40x = 1,062,884,815.44
  5. Step 5: Solve for x
    x = 1,062,884,815.44/39,156.40
  6. Step 6: Final answer
    x = 27,144.60

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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.