Home / 30,995.12-46,478.04-11,259.92

Finding the Fourth Proportional to 30,995.12, 46,478.04 and 11,259.92

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Solution

The fourth proportional to 30,995.12, 46,478.04 and 11,259.92 is: 16,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.12 : 46,478.04 = 11,259.92 : x
  2. Step 2: Convert to fraction form
    30,995.12/46,478.04 = 11,259.92/x
  3. Step 3: Cross multiply
    30,995.12x = 46,478.04 × 11,259.92
  4. Step 4: Simplify right side
    30,995.12x = 523,339,012.16
  5. Step 5: Solve for x
    x = 523,339,012.16/30,995.12
  6. Step 6: Final answer
    x = 16,884.56

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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.