Home / 36,905.91-55,345.27-13,207.03

Finding the Fourth Proportional to 36,905.91, 55,345.27 and 13,207.03

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Solution

The fourth proportional to 36,905.91, 55,345.27 and 13,207.03 is: 19,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.91 : 55,345.27 = 13,207.03 : x
  2. Step 2: Convert to fraction form
    36,905.91/55,345.27 = 13,207.03/x
  3. Step 3: Cross multiply
    36,905.91x = 55,345.27 × 13,207.03
  4. Step 4: Simplify right side
    36,905.91x = 730,946,298.49
  5. Step 5: Solve for x
    x = 730,946,298.49/36,905.91
  6. Step 6: Final answer
    x = 19,805.67

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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.