Home / 31,964.64-47,965.68-17,956.32

Finding the Fourth Proportional to 31,964.64, 47,965.68 and 17,956.32

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Solution

The fourth proportional to 31,964.64, 47,965.68 and 17,956.32 is: 26,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.64 : 47,965.68 = 17,956.32 : x
  2. Step 2: Convert to fraction form
    31,964.64/47,965.68 = 17,956.32/x
  3. Step 3: Cross multiply
    31,964.64x = 47,965.68 × 17,956.32
  4. Step 4: Simplify right side
    31,964.64x = 861,287,099.10
  5. Step 5: Solve for x
    x = 861,287,099.10/31,964.64
  6. Step 6: Final answer
    x = 26,945.00

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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.