Home / 30,954.87-42,717.69-16,807.73

Finding the Fourth Proportional to 30,954.87, 42,717.69 and 16,807.73

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Solution

The fourth proportional to 30,954.87, 42,717.69 and 16,807.73 is: 23,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.87 : 42,717.69 = 16,807.73 : x
  2. Step 2: Convert to fraction form
    30,954.87/42,717.69 = 16,807.73/x
  3. Step 3: Cross multiply
    30,954.87x = 42,717.69 × 16,807.73
  4. Step 4: Simplify right side
    30,954.87x = 717,987,186.16
  5. Step 5: Solve for x
    x = 717,987,186.16/30,954.87
  6. Step 6: Final answer
    x = 23,194.64

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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.