Home / 57,845.48-86,774.59-18,393.38

Finding the Fourth Proportional to 57,845.48, 86,774.59 and 18,393.38

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Solution

The fourth proportional to 57,845.48, 86,774.59 and 18,393.38 is: 27,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845.48 : 86,774.59 = 18,393.38 : x
  2. Step 2: Convert to fraction form
    57,845.48/86,774.59 = 18,393.38/x
  3. Step 3: Cross multiply
    57,845.48x = 86,774.59 × 18,393.38
  4. Step 4: Simplify right side
    57,845.48x = 1,596,077,922.74
  5. Step 5: Solve for x
    x = 1,596,077,922.74/57,845.48
  6. Step 6: Final answer
    x = 27,592.10

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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.