Home / 29,193.75-40,287.51-16,618.50

Finding the Fourth Proportional to 29,193.75, 40,287.51 and 16,618.50

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Solution

The fourth proportional to 29,193.75, 40,287.51 and 16,618.50 is: 22,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.75 : 40,287.51 = 16,618.50 : x
  2. Step 2: Convert to fraction form
    29,193.75/40,287.51 = 16,618.50/x
  3. Step 3: Cross multiply
    29,193.75x = 40,287.51 × 16,618.50
  4. Step 4: Simplify right side
    29,193.75x = 669,517,984.94
  5. Step 5: Solve for x
    x = 669,517,984.94/29,193.75
  6. Step 6: Final answer
    x = 22,933.61

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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.