Home / 30,975.02-46,464.30-8,786.65

Finding the Fourth Proportional to 30,975.02, 46,464.30 and 8,786.65

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Solution

The fourth proportional to 30,975.02, 46,464.30 and 8,786.65 is: 13,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.02 : 46,464.30 = 8,786.65 : x
  2. Step 2: Convert to fraction form
    30,975.02/46,464.30 = 8,786.65/x
  3. Step 3: Cross multiply
    30,975.02x = 46,464.30 × 8,786.65
  4. Step 4: Simplify right side
    30,975.02x = 408,265,541.60
  5. Step 5: Solve for x
    x = 408,265,541.60/30,975.02
  6. Step 6: Final answer
    x = 13,180.48

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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.