Home / 30,979.24-46,468.80-8,792.83

Finding the Fourth Proportional to 30,979.24, 46,468.80 and 8,792.83

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Solution

The fourth proportional to 30,979.24, 46,468.80 and 8,792.83 is: 13,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.24 : 46,468.80 = 8,792.83 : x
  2. Step 2: Convert to fraction form
    30,979.24/46,468.80 = 8,792.83/x
  3. Step 3: Cross multiply
    30,979.24x = 46,468.80 × 8,792.83
  4. Step 4: Simplify right side
    30,979.24x = 408,592,258.70
  5. Step 5: Solve for x
    x = 408,592,258.70/30,979.24
  6. Step 6: Final answer
    x = 13,189.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.