Home / 31,577.73-47,356.34-10,512.11

Finding the Fourth Proportional to 31,577.73, 47,356.34 and 10,512.11

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Solution

The fourth proportional to 31,577.73, 47,356.34 and 10,512.11 is: 15,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.73 : 47,356.34 = 10,512.11 : x
  2. Step 2: Convert to fraction form
    31,577.73/47,356.34 = 10,512.11/x
  3. Step 3: Cross multiply
    31,577.73x = 47,356.34 × 10,512.11
  4. Step 4: Simplify right side
    31,577.73x = 497,815,055.28
  5. Step 5: Solve for x
    x = 497,815,055.28/31,577.73
  6. Step 6: Final answer
    x = 15,764.75

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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.