Home / 31,080.32-46,621.32-8,895.68

Finding the Fourth Proportional to 31,080.32, 46,621.32 and 8,895.68

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Solution

The fourth proportional to 31,080.32, 46,621.32 and 8,895.68 is: 13,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.32 : 46,621.32 = 8,895.68 : x
  2. Step 2: Convert to fraction form
    31,080.32/46,621.32 = 8,895.68/x
  3. Step 3: Cross multiply
    31,080.32x = 46,621.32 × 8,895.68
  4. Step 4: Simplify right side
    31,080.32x = 414,728,343.90
  5. Step 5: Solve for x
    x = 414,728,343.90/31,080.32
  6. Step 6: Final answer
    x = 13,343.76

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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.