Home / 30,919.20-46,435.68-16,138.08

Finding the Fourth Proportional to 30,919.20, 46,435.68 and 16,138.08

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Solution

The fourth proportional to 30,919.20, 46,435.68 and 16,138.08 is: 24,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.20 : 46,435.68 = 16,138.08 : x
  2. Step 2: Convert to fraction form
    30,919.20/46,435.68 = 16,138.08/x
  3. Step 3: Cross multiply
    30,919.20x = 46,435.68 × 16,138.08
  4. Step 4: Simplify right side
    30,919.20x = 749,382,718.69
  5. Step 5: Solve for x
    x = 749,382,718.69/30,919.20
  6. Step 6: Final answer
    x = 24,236.81

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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.