Home / 30,721.14-46,089-9,944.64

Finding the Fourth Proportional to 30,721.14, 46,089 and 9,944.64

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Solution

The fourth proportional to 30,721.14, 46,089 and 9,944.64 is: 14,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.14 : 46,089 = 9,944.64 : x
  2. Step 2: Convert to fraction form
    30,721.14/46,089 = 9,944.64/x
  3. Step 3: Cross multiply
    30,721.14x = 46,089 × 9,944.64
  4. Step 4: Simplify right side
    30,721.14x = 458,338,512.96
  5. Step 5: Solve for x
    x = 458,338,512.96/30,721.14
  6. Step 6: Final answer
    x = 14,919.32

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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.