Home / 38,255.61-57,391.52-11,962.34

Finding the Fourth Proportional to 38,255.61, 57,391.52 and 11,962.34

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Solution

The fourth proportional to 38,255.61, 57,391.52 and 11,962.34 is: 17,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.61 : 57,391.52 = 11,962.34 : x
  2. Step 2: Convert to fraction form
    38,255.61/57,391.52 = 11,962.34/x
  3. Step 3: Cross multiply
    38,255.61x = 57,391.52 × 11,962.34
  4. Step 4: Simplify right side
    38,255.61x = 686,536,528.59
  5. Step 5: Solve for x
    x = 686,536,528.59/38,255.61
  6. Step 6: Final answer
    x = 17,946.04

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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.