Home / 47,741.55-71,621.10-15,722.39

Finding the Fourth Proportional to 47,741.55, 71,621.10 and 15,722.39

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Solution

The fourth proportional to 47,741.55, 71,621.10 and 15,722.39 is: 23,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,741.55 : 71,621.10 = 15,722.39 : x
  2. Step 2: Convert to fraction form
    47,741.55/71,621.10 = 15,722.39/x
  3. Step 3: Cross multiply
    47,741.55x = 71,621.10 × 15,722.39
  4. Step 4: Simplify right side
    47,741.55x = 1,126,054,508.32
  5. Step 5: Solve for x
    x = 1,126,054,508.32/47,741.55
  6. Step 6: Final answer
    x = 23,586.47

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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.