Home / 34,715.49-47,907-18,799.66

Finding the Fourth Proportional to 34,715.49, 47,907 and 18,799.66

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Solution

The fourth proportional to 34,715.49, 47,907 and 18,799.66 is: 25,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.49 : 47,907 = 18,799.66 : x
  2. Step 2: Convert to fraction form
    34,715.49/47,907 = 18,799.66/x
  3. Step 3: Cross multiply
    34,715.49x = 47,907 × 18,799.66
  4. Step 4: Simplify right side
    34,715.49x = 900,635,311.62
  5. Step 5: Solve for x
    x = 900,635,311.62/34,715.49
  6. Step 6: Final answer
    x = 25,943.33

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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.