Home / 30,821.85-46,238.07-9,761.55

Finding the Fourth Proportional to 30,821.85, 46,238.07 and 9,761.55

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Solution

The fourth proportional to 30,821.85, 46,238.07 and 9,761.55 is: 14,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.85 : 46,238.07 = 9,761.55 : x
  2. Step 2: Convert to fraction form
    30,821.85/46,238.07 = 9,761.55/x
  3. Step 3: Cross multiply
    30,821.85x = 46,238.07 × 9,761.55
  4. Step 4: Simplify right side
    30,821.85x = 451,355,232.21
  5. Step 5: Solve for x
    x = 451,355,232.21/30,821.85
  6. Step 6: Final answer
    x = 14,644.00

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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.