Home / 35,120.85-48,466.79-19,206.78

Finding the Fourth Proportional to 35,120.85, 48,466.79 and 19,206.78

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Solution

The fourth proportional to 35,120.85, 48,466.79 and 19,206.78 is: 26,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.85 : 48,466.79 = 19,206.78 : x
  2. Step 2: Convert to fraction form
    35,120.85/48,466.79 = 19,206.78/x
  3. Step 3: Cross multiply
    35,120.85x = 48,466.79 × 19,206.78
  4. Step 4: Simplify right side
    35,120.85x = 930,890,972.84
  5. Step 5: Solve for x
    x = 930,890,972.84/35,120.85
  6. Step 6: Final answer
    x = 26,505.37

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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.