Home / 30,795.62-42,497.88-16,648.49

Finding the Fourth Proportional to 30,795.62, 42,497.88 and 16,648.49

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Solution

The fourth proportional to 30,795.62, 42,497.88 and 16,648.49 is: 22,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795.62 : 42,497.88 = 16,648.49 : x
  2. Step 2: Convert to fraction form
    30,795.62/42,497.88 = 16,648.49/x
  3. Step 3: Cross multiply
    30,795.62x = 42,497.88 × 16,648.49
  4. Step 4: Simplify right side
    30,795.62x = 707,525,530.20
  5. Step 5: Solve for x
    x = 707,525,530.20/30,795.62
  6. Step 6: Final answer
    x = 22,974.88

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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.