Home / 35,035.94-48,350.67-19,930.78

Finding the Fourth Proportional to 35,035.94, 48,350.67 and 19,930.78

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Solution

The fourth proportional to 35,035.94, 48,350.67 and 19,930.78 is: 27,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,035.94 : 48,350.67 = 19,930.78 : x
  2. Step 2: Convert to fraction form
    35,035.94/48,350.67 = 19,930.78/x
  3. Step 3: Cross multiply
    35,035.94x = 48,350.67 × 19,930.78
  4. Step 4: Simplify right side
    35,035.94x = 963,666,566.62
  5. Step 5: Solve for x
    x = 963,666,566.62/35,035.94
  6. Step 6: Final answer
    x = 27,505.09

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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.