Home / 30,946.52-46,418.34-7,571.72

Finding the Fourth Proportional to 30,946.52, 46,418.34 and 7,571.72

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Solution

The fourth proportional to 30,946.52, 46,418.34 and 7,571.72 is: 11,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.52 : 46,418.34 = 7,571.72 : x
  2. Step 2: Convert to fraction form
    30,946.52/46,418.34 = 7,571.72/x
  3. Step 3: Cross multiply
    30,946.52x = 46,418.34 × 7,571.72
  4. Step 4: Simplify right side
    30,946.52x = 351,466,673.34
  5. Step 5: Solve for x
    x = 351,466,673.34/30,946.52
  6. Step 6: Final answer
    x = 11,357.23

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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.