Home / 36,700.55-55,071.60-15,638.37

Finding the Fourth Proportional to 36,700.55, 55,071.60 and 15,638.37

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Solution

The fourth proportional to 36,700.55, 55,071.60 and 15,638.37 is: 23,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.55 : 55,071.60 = 15,638.37 : x
  2. Step 2: Convert to fraction form
    36,700.55/55,071.60 = 15,638.37/x
  3. Step 3: Cross multiply
    36,700.55x = 55,071.60 × 15,638.37
  4. Step 4: Simplify right side
    36,700.55x = 861,230,057.29
  5. Step 5: Solve for x
    x = 861,230,057.29/36,700.55
  6. Step 6: Final answer
    x = 23,466.41

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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.