Home / 55,252.40-82,881.36-15,815.28

Finding the Fourth Proportional to 55,252.40, 82,881.36 and 15,815.28

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Solution

The fourth proportional to 55,252.40, 82,881.36 and 15,815.28 is: 23,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.40 : 82,881.36 = 15,815.28 : x
  2. Step 2: Convert to fraction form
    55,252.40/82,881.36 = 15,815.28/x
  3. Step 3: Cross multiply
    55,252.40x = 82,881.36 × 15,815.28
  4. Step 4: Simplify right side
    55,252.40x = 1,310,791,915.18
  5. Step 5: Solve for x
    x = 1,310,791,915.18/55,252.40
  6. Step 6: Final answer
    x = 23,723.71

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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.