Home / 31,926.25-47,839.94-21,935.76

Finding the Fourth Proportional to 31,926.25, 47,839.94 and 21,935.76

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Solution

The fourth proportional to 31,926.25, 47,839.94 and 21,935.76 is: 32,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.25 : 47,839.94 = 21,935.76 : x
  2. Step 2: Convert to fraction form
    31,926.25/47,839.94 = 21,935.76/x
  3. Step 3: Cross multiply
    31,926.25x = 47,839.94 × 21,935.76
  4. Step 4: Simplify right side
    31,926.25x = 1,049,405,566.23
  5. Step 5: Solve for x
    x = 1,049,405,566.23/31,926.25
  6. Step 6: Final answer
    x = 32,869.68

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1.5x scale

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.