Home / 31,803.87-43,890.66-17,656.71

Finding the Fourth Proportional to 31,803.87, 43,890.66 and 17,656.71

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Solution

The fourth proportional to 31,803.87, 43,890.66 and 17,656.71 is: 24,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.87 : 43,890.66 = 17,656.71 : x
  2. Step 2: Convert to fraction form
    31,803.87/43,890.66 = 17,656.71/x
  3. Step 3: Cross multiply
    31,803.87x = 43,890.66 × 17,656.71
  4. Step 4: Simplify right side
    31,803.87x = 774,964,655.33
  5. Step 5: Solve for x
    x = 774,964,655.33/31,803.87
  6. Step 6: Final answer
    x = 24,366.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.