Home / 30,999.92-46,499.57-7,626.35

Finding the Fourth Proportional to 30,999.92, 46,499.57 and 7,626.35

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Solution

The fourth proportional to 30,999.92, 46,499.57 and 7,626.35 is: 11,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999.92 : 46,499.57 = 7,626.35 : x
  2. Step 2: Convert to fraction form
    30,999.92/46,499.57 = 7,626.35/x
  3. Step 3: Cross multiply
    30,999.92x = 46,499.57 × 7,626.35
  4. Step 4: Simplify right side
    30,999.92x = 354,622,102.39
  5. Step 5: Solve for x
    x = 354,622,102.39/30,999.92
  6. Step 6: Final answer
    x = 11,439.45

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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.