Home / 57,886.44-86,836-18,434.28

Finding the Fourth Proportional to 57,886.44, 86,836 and 18,434.28

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Solution

The fourth proportional to 57,886.44, 86,836 and 18,434.28 is: 27,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.44 : 86,836 = 18,434.28 : x
  2. Step 2: Convert to fraction form
    57,886.44/86,836 = 18,434.28/x
  3. Step 3: Cross multiply
    57,886.44x = 86,836 × 18,434.28
  4. Step 4: Simplify right side
    57,886.44x = 1,600,759,138.08
  5. Step 5: Solve for x
    x = 1,600,759,138.08/57,886.44
  6. Step 6: Final answer
    x = 27,653.44

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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.