Home / 67,007.09-100,525.22-20,258.75

Finding the Fourth Proportional to 67,007.09, 100,525.22 and 20,258.75

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Solution

The fourth proportional to 67,007.09, 100,525.22 and 20,258.75 is: 30,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007.09 : 100,525.22 = 20,258.75 : x
  2. Step 2: Convert to fraction form
    67,007.09/100,525.22 = 20,258.75/x
  3. Step 3: Cross multiply
    67,007.09x = 100,525.22 × 20,258.75
  4. Step 4: Simplify right side
    67,007.09x = 2,036,515,199.38
  5. Step 5: Solve for x
    x = 2,036,515,199.38/67,007.09
  6. Step 6: Final answer
    x = 30,392.53

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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.