Home / 20,851.46-31,279.25-6,056.41

Finding the Fourth Proportional to 20,851.46, 31,279.25 and 6,056.41

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Solution

The fourth proportional to 20,851.46, 31,279.25 and 6,056.41 is: 9,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.46 : 31,279.25 = 6,056.41 : x
  2. Step 2: Convert to fraction form
    20,851.46/31,279.25 = 6,056.41/x
  3. Step 3: Cross multiply
    20,851.46x = 31,279.25 × 6,056.41
  4. Step 4: Simplify right side
    20,851.46x = 189,439,962.49
  5. Step 5: Solve for x
    x = 189,439,962.49/20,851.46
  6. Step 6: Final answer
    x = 9,085.21

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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.