Home / 31,106.15-42,926.37-16,958.99

Finding the Fourth Proportional to 31,106.15, 42,926.37 and 16,958.99

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Solution

The fourth proportional to 31,106.15, 42,926.37 and 16,958.99 is: 23,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.15 : 42,926.37 = 16,958.99 : x
  2. Step 2: Convert to fraction form
    31,106.15/42,926.37 = 16,958.99/x
  3. Step 3: Cross multiply
    31,106.15x = 42,926.37 × 16,958.99
  4. Step 4: Simplify right side
    31,106.15x = 727,987,664.93
  5. Step 5: Solve for x
    x = 727,987,664.93/31,106.15
  6. Step 6: Final answer
    x = 23,403.34

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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.