Home / 20,038.33-30,055.47-6,891.63

Finding the Fourth Proportional to 20,038.33, 30,055.47 and 6,891.63

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Solution

The fourth proportional to 20,038.33, 30,055.47 and 6,891.63 is: 10,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.33 : 30,055.47 = 6,891.63 : x
  2. Step 2: Convert to fraction form
    20,038.33/30,055.47 = 6,891.63/x
  3. Step 3: Cross multiply
    20,038.33x = 30,055.47 × 6,891.63
  4. Step 4: Simplify right side
    20,038.33x = 207,131,028.44
  5. Step 5: Solve for x
    x = 207,131,028.44/20,038.33
  6. Step 6: Final answer
    x = 10,336.74

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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.