Home / 29,391.91-40,561.66-15,963.99

Finding the Fourth Proportional to 29,391.91, 40,561.66 and 15,963.99

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Solution

The fourth proportional to 29,391.91, 40,561.66 and 15,963.99 is: 22,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,391.91 : 40,561.66 = 15,963.99 : x
  2. Step 2: Convert to fraction form
    29,391.91/40,561.66 = 15,963.99/x
  3. Step 3: Cross multiply
    29,391.91x = 40,561.66 × 15,963.99
  4. Step 4: Simplify right side
    29,391.91x = 647,525,802.47
  5. Step 5: Solve for x
    x = 647,525,802.47/29,391.91
  6. Step 6: Final answer
    x = 22,030.75

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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.