Home / 30,153.43-41,616.71-16,729.00

Finding the Fourth Proportional to 30,153.43, 41,616.71 and 16,729.00

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Solution

The fourth proportional to 30,153.43, 41,616.71 and 16,729.00 is: 23,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.43 : 41,616.71 = 16,729.00 : x
  2. Step 2: Convert to fraction form
    30,153.43/41,616.71 = 16,729.00/x
  3. Step 3: Cross multiply
    30,153.43x = 41,616.71 × 16,729.00
  4. Step 4: Simplify right side
    30,153.43x = 696,206,089.75
  5. Step 5: Solve for x
    x = 696,206,089.75/30,153.43
  6. Step 6: Final answer
    x = 23,088.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.