Home / 34,338.30-47,387.39-19,794.46

Finding the Fourth Proportional to 34,338.30, 47,387.39 and 19,794.46

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Solution

The fourth proportional to 34,338.30, 47,387.39 and 19,794.46 is: 27,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.30 : 47,387.39 = 19,794.46 : x
  2. Step 2: Convert to fraction form
    34,338.30/47,387.39 = 19,794.46/x
  3. Step 3: Cross multiply
    34,338.30x = 47,387.39 × 19,794.46
  4. Step 4: Simplify right side
    34,338.30x = 938,007,795.86
  5. Step 5: Solve for x
    x = 938,007,795.86/34,338.30
  6. Step 6: Final answer
    x = 27,316.66

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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.