Home / 49,375.80-74,063.70-18,223.20

Finding the Fourth Proportional to 49,375.80, 74,063.70 and 18,223.20

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Solution

The fourth proportional to 49,375.80, 74,063.70 and 18,223.20 is: 27,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.80 : 74,063.70 = 18,223.20 : x
  2. Step 2: Convert to fraction form
    49,375.80/74,063.70 = 18,223.20/x
  3. Step 3: Cross multiply
    49,375.80x = 74,063.70 × 18,223.20
  4. Step 4: Simplify right side
    49,375.80x = 1,349,677,617.84
  5. Step 5: Solve for x
    x = 1,349,677,617.84/49,375.80
  6. Step 6: Final answer
    x = 27,334.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.