Home / 23,208.87-32,042.21-21,880.47

Finding the Fourth Proportional to 23,208.87, 32,042.21 and 21,880.47

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Solution

The fourth proportional to 23,208.87, 32,042.21 and 21,880.47 is: 30,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.87 : 32,042.21 = 21,880.47 : x
  2. Step 2: Convert to fraction form
    23,208.87/32,042.21 = 21,880.47/x
  3. Step 3: Cross multiply
    23,208.87x = 32,042.21 × 21,880.47
  4. Step 4: Simplify right side
    23,208.87x = 701,098,505.24
  5. Step 5: Solve for x
    x = 701,098,505.24/23,208.87
  6. Step 6: Final answer
    x = 30,208.21

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1.5x scale

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.