Home / 31,664.56-47,463.30-11,934.64

Finding the Fourth Proportional to 31,664.56, 47,463.30 and 11,934.64

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Solution

The fourth proportional to 31,664.56, 47,463.30 and 11,934.64 is: 17,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.56 : 47,463.30 = 11,934.64 : x
  2. Step 2: Convert to fraction form
    31,664.56/47,463.30 = 11,934.64/x
  3. Step 3: Cross multiply
    31,664.56x = 47,463.30 × 11,934.64
  4. Step 4: Simplify right side
    31,664.56x = 566,457,398.71
  5. Step 5: Solve for x
    x = 566,457,398.71/31,664.56
  6. Step 6: Final answer
    x = 17,889.32

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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.