Home / 47,476.87-71,223.23-19,411.99

Finding the Fourth Proportional to 47,476.87, 71,223.23 and 19,411.99

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Solution

The fourth proportional to 47,476.87, 71,223.23 and 19,411.99 is: 29,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476.87 : 71,223.23 = 19,411.99 : x
  2. Step 2: Convert to fraction form
    47,476.87/71,223.23 = 19,411.99/x
  3. Step 3: Cross multiply
    47,476.87x = 71,223.23 × 19,411.99
  4. Step 4: Simplify right side
    47,476.87x = 1,382,584,628.53
  5. Step 5: Solve for x
    x = 1,382,584,628.53/47,476.87
  6. Step 6: Final answer
    x = 29,121.23

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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.