Home / 50,519.70-69,705.36-30,373.38

Finding the Fourth Proportional to 50,519.70, 69,705.36 and 30,373.38

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Solution

The fourth proportional to 50,519.70, 69,705.36 and 30,373.38 is: 41,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.70 : 69,705.36 = 30,373.38 : x
  2. Step 2: Convert to fraction form
    50,519.70/69,705.36 = 30,373.38/x
  3. Step 3: Cross multiply
    50,519.70x = 69,705.36 × 30,373.38
  4. Step 4: Simplify right side
    50,519.70x = 2,117,187,387.32
  5. Step 5: Solve for x
    x = 2,117,187,387.32/50,519.70
  6. Step 6: Final answer
    x = 41,908.15

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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.