Home / 30,872.16-46,311.08-14,236.79

Finding the Fourth Proportional to 30,872.16, 46,311.08 and 14,236.79

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Solution

The fourth proportional to 30,872.16, 46,311.08 and 14,236.79 is: 21,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.16 : 46,311.08 = 14,236.79 : x
  2. Step 2: Convert to fraction form
    30,872.16/46,311.08 = 14,236.79/x
  3. Step 3: Cross multiply
    30,872.16x = 46,311.08 × 14,236.79
  4. Step 4: Simplify right side
    30,872.16x = 659,320,817.89
  5. Step 5: Solve for x
    x = 659,320,817.89/30,872.16
  6. Step 6: Final answer
    x = 21,356.48

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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.