Home / 20,839.69-31,264.41-6,048.89

Finding the Fourth Proportional to 20,839.69, 31,264.41 and 6,048.89

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Solution

The fourth proportional to 20,839.69, 31,264.41 and 6,048.89 is: 9,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.69 : 31,264.41 = 6,048.89 : x
  2. Step 2: Convert to fraction form
    20,839.69/31,264.41 = 6,048.89/x
  3. Step 3: Cross multiply
    20,839.69x = 31,264.41 × 6,048.89
  4. Step 4: Simplify right side
    20,839.69x = 189,114,790.44
  5. Step 5: Solve for x
    x = 189,114,790.44/20,839.69
  6. Step 6: Final answer
    x = 9,074.74

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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.