Home / 30,759.19-46,138.79-7,385.62

Finding the Fourth Proportional to 30,759.19, 46,138.79 and 7,385.62

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Solution

The fourth proportional to 30,759.19, 46,138.79 and 7,385.62 is: 11,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.19 : 46,138.79 = 7,385.62 : x
  2. Step 2: Convert to fraction form
    30,759.19/46,138.79 = 7,385.62/x
  3. Step 3: Cross multiply
    30,759.19x = 46,138.79 × 7,385.62
  4. Step 4: Simplify right side
    30,759.19x = 340,763,570.20
  5. Step 5: Solve for x
    x = 340,763,570.20/30,759.19
  6. Step 6: Final answer
    x = 11,078.43

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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.