Home / 30,845.32-46,258.41-11,121.32

Finding the Fourth Proportional to 30,845.32, 46,258.41 and 11,121.32

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Solution

The fourth proportional to 30,845.32, 46,258.41 and 11,121.32 is: 16,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.32 : 46,258.41 = 11,121.32 : x
  2. Step 2: Convert to fraction form
    30,845.32/46,258.41 = 11,121.32/x
  3. Step 3: Cross multiply
    30,845.32x = 46,258.41 × 11,121.32
  4. Step 4: Simplify right side
    30,845.32x = 514,454,580.30
  5. Step 5: Solve for x
    x = 514,454,580.30/30,845.32
  6. Step 6: Final answer
    x = 16,678.53

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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.