Home / 31,074.99-42,883.49-16,927.84

Finding the Fourth Proportional to 31,074.99, 42,883.49 and 16,927.84

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Solution

The fourth proportional to 31,074.99, 42,883.49 and 16,927.84 is: 23,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074.99 : 42,883.49 = 16,927.84 : x
  2. Step 2: Convert to fraction form
    31,074.99/42,883.49 = 16,927.84/x
  3. Step 3: Cross multiply
    31,074.99x = 42,883.49 × 16,927.84
  4. Step 4: Simplify right side
    31,074.99x = 725,924,857.36
  5. Step 5: Solve for x
    x = 725,924,857.36/31,074.99
  6. Step 6: Final answer
    x = 23,360.42

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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.