Home / 30,799.41-42,502.32-17,370.54

Finding the Fourth Proportional to 30,799.41, 42,502.32 and 17,370.54

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Solution

The fourth proportional to 30,799.41, 42,502.32 and 17,370.54 is: 23,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.41 : 42,502.32 = 17,370.54 : x
  2. Step 2: Convert to fraction form
    30,799.41/42,502.32 = 17,370.54/x
  3. Step 3: Cross multiply
    30,799.41x = 42,502.32 × 17,370.54
  4. Step 4: Simplify right side
    30,799.41x = 738,288,249.65
  5. Step 5: Solve for x
    x = 738,288,249.65/30,799.41
  6. Step 6: Final answer
    x = 23,970.86

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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.