Home / 31,976.64-47,964.56-14,434.16

Finding the Fourth Proportional to 31,976.64, 47,964.56 and 14,434.16

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Solution

The fourth proportional to 31,976.64, 47,964.56 and 14,434.16 is: 21,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.64 : 47,964.56 = 14,434.16 : x
  2. Step 2: Convert to fraction form
    31,976.64/47,964.56 = 14,434.16/x
  3. Step 3: Cross multiply
    31,976.64x = 47,964.56 × 14,434.16
  4. Step 4: Simplify right side
    31,976.64x = 692,328,133.37
  5. Step 5: Solve for x
    x = 692,328,133.37/31,976.64
  6. Step 6: Final answer
    x = 21,651.06

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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.