Home / 31,743.81-47,591.42-15,723.63

Finding the Fourth Proportional to 31,743.81, 47,591.42 and 15,723.63

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Solution

The fourth proportional to 31,743.81, 47,591.42 and 15,723.63 is: 23,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.81 : 47,591.42 = 15,723.63 : x
  2. Step 2: Convert to fraction form
    31,743.81/47,591.42 = 15,723.63/x
  3. Step 3: Cross multiply
    31,743.81x = 47,591.42 × 15,723.63
  4. Step 4: Simplify right side
    31,743.81x = 748,309,800.64
  5. Step 5: Solve for x
    x = 748,309,800.64/31,743.81
  6. Step 6: Final answer
    x = 23,573.41

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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.