Home / 30,795.46-42,497.79-16,648.30

Finding the Fourth Proportional to 30,795.46, 42,497.79 and 16,648.30

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Solution

The fourth proportional to 30,795.46, 42,497.79 and 16,648.30 is: 22,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795.46 : 42,497.79 = 16,648.30 : x
  2. Step 2: Convert to fraction form
    30,795.46/42,497.79 = 16,648.30/x
  3. Step 3: Cross multiply
    30,795.46x = 42,497.79 × 16,648.30
  4. Step 4: Simplify right side
    30,795.46x = 707,515,957.26
  5. Step 5: Solve for x
    x = 707,515,957.26/30,795.46
  6. Step 6: Final answer
    x = 22,974.68

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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.