Home / 51,749.19-71,401.23-31,598.73

Finding the Fourth Proportional to 51,749.19, 71,401.23 and 31,598.73

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Solution

The fourth proportional to 51,749.19, 71,401.23 and 31,598.73 is: 43,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,749.19 : 71,401.23 = 31,598.73 : x
  2. Step 2: Convert to fraction form
    51,749.19/71,401.23 = 31,598.73/x
  3. Step 3: Cross multiply
    51,749.19x = 71,401.23 × 31,598.73
  4. Step 4: Simplify right side
    51,749.19x = 2,256,188,188.44
  5. Step 5: Solve for x
    x = 2,256,188,188.44/51,749.19
  6. Step 6: Final answer
    x = 43,598.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.