Home / 30,931.93-46,629.68-28,872.12

Finding the Fourth Proportional to 30,931.93, 46,629.68 and 28,872.12

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Solution

The fourth proportional to 30,931.93, 46,629.68 and 28,872.12 is: 43,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.93 : 46,629.68 = 28,872.12 : x
  2. Step 2: Convert to fraction form
    30,931.93/46,629.68 = 28,872.12/x
  3. Step 3: Cross multiply
    30,931.93x = 46,629.68 × 28,872.12
  4. Step 4: Simplify right side
    30,931.93x = 1,346,297,716.52
  5. Step 5: Solve for x
    x = 1,346,297,716.52/30,931.93
  6. Step 6: Final answer
    x = 43,524.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.