Home / 31,723.28-47,533.01-19,205.37

Finding the Fourth Proportional to 31,723.28, 47,533.01 and 19,205.37

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Solution

The fourth proportional to 31,723.28, 47,533.01 and 19,205.37 is: 28,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.28 : 47,533.01 = 19,205.37 : x
  2. Step 2: Convert to fraction form
    31,723.28/47,533.01 = 19,205.37/x
  3. Step 3: Cross multiply
    31,723.28x = 47,533.01 × 19,205.37
  4. Step 4: Simplify right side
    31,723.28x = 912,888,710.57
  5. Step 5: Solve for x
    x = 912,888,710.57/31,723.28
  6. Step 6: Final answer
    x = 28,776.62

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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.