Home / 38,861.72-58,272.48-12,563.02

Finding the Fourth Proportional to 38,861.72, 58,272.48 and 12,563.02

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Solution

The fourth proportional to 38,861.72, 58,272.48 and 12,563.02 is: 18,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861.72 : 58,272.48 = 12,563.02 : x
  2. Step 2: Convert to fraction form
    38,861.72/58,272.48 = 12,563.02/x
  3. Step 3: Cross multiply
    38,861.72x = 58,272.48 × 12,563.02
  4. Step 4: Simplify right side
    38,861.72x = 732,078,331.69
  5. Step 5: Solve for x
    x = 732,078,331.69/38,861.72
  6. Step 6: Final answer
    x = 18,838.03

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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.