Home / 31,670.76-47,519.96-15,042.54

Finding the Fourth Proportional to 31,670.76, 47,519.96 and 15,042.54

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Solution

The fourth proportional to 31,670.76, 47,519.96 and 15,042.54 is: 22,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.76 : 47,519.96 = 15,042.54 : x
  2. Step 2: Convert to fraction form
    31,670.76/47,519.96 = 15,042.54/x
  3. Step 3: Cross multiply
    31,670.76x = 47,519.96 × 15,042.54
  4. Step 4: Simplify right side
    31,670.76x = 714,820,823.89
  5. Step 5: Solve for x
    x = 714,820,823.89/31,670.76
  6. Step 6: Final answer
    x = 22,570.37

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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.