Home / 31,074.43-42,882.49-16,927.28

Finding the Fourth Proportional to 31,074.43, 42,882.49 and 16,927.28

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Solution

The fourth proportional to 31,074.43, 42,882.49 and 16,927.28 is: 23,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074.43 : 42,882.49 = 16,927.28 : x
  2. Step 2: Convert to fraction form
    31,074.43/42,882.49 = 16,927.28/x
  3. Step 3: Cross multiply
    31,074.43x = 42,882.49 × 16,927.28
  4. Step 4: Simplify right side
    31,074.43x = 725,883,658.60
  5. Step 5: Solve for x
    x = 725,883,658.60/31,074.43
  6. Step 6: Final answer
    x = 23,359.52

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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.