Home / 30,954.25-42,716.67-16,807.10

Finding the Fourth Proportional to 30,954.25, 42,716.67 and 16,807.10

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Solution

The fourth proportional to 30,954.25, 42,716.67 and 16,807.10 is: 23,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.25 : 42,716.67 = 16,807.10 : x
  2. Step 2: Convert to fraction form
    30,954.25/42,716.67 = 16,807.10/x
  3. Step 3: Cross multiply
    30,954.25x = 42,716.67 × 16,807.10
  4. Step 4: Simplify right side
    30,954.25x = 717,943,067.75
  5. Step 5: Solve for x
    x = 717,943,067.75/30,954.25
  6. Step 6: Final answer
    x = 23,193.68

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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.