Home / 38,962.36-58,370.10-19,217.80

Finding the Fourth Proportional to 38,962.36, 58,370.10 and 19,217.80

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Solution

The fourth proportional to 38,962.36, 58,370.10 and 19,217.80 is: 28,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.36 : 58,370.10 = 19,217.80 : x
  2. Step 2: Convert to fraction form
    38,962.36/58,370.10 = 19,217.80/x
  3. Step 3: Cross multiply
    38,962.36x = 58,370.10 × 19,217.80
  4. Step 4: Simplify right side
    38,962.36x = 1,121,744,907.78
  5. Step 5: Solve for x
    x = 1,121,744,907.78/38,962.36
  6. Step 6: Final answer
    x = 28,790.48

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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.