Home / 31,352.64-47,036.48-11,631.37

Finding the Fourth Proportional to 31,352.64, 47,036.48 and 11,631.37

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Solution

The fourth proportional to 31,352.64, 47,036.48 and 11,631.37 is: 17,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.64 : 47,036.48 = 11,631.37 : x
  2. Step 2: Convert to fraction form
    31,352.64/47,036.48 = 11,631.37/x
  3. Step 3: Cross multiply
    31,352.64x = 47,036.48 × 11,631.37
  4. Step 4: Simplify right side
    31,352.64x = 547,098,496.27
  5. Step 5: Solve for x
    x = 547,098,496.27/31,352.64
  6. Step 6: Final answer
    x = 17,449.84

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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.