Home / 20,851.97-31,280.00-6,056.91

Finding the Fourth Proportional to 20,851.97, 31,280.00 and 6,056.91

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Solution

The fourth proportional to 20,851.97, 31,280.00 and 6,056.91 is: 9,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.97 : 31,280.00 = 6,056.91 : x
  2. Step 2: Convert to fraction form
    20,851.97/31,280.00 = 6,056.91/x
  3. Step 3: Cross multiply
    20,851.97x = 31,280.00 × 6,056.91
  4. Step 4: Simplify right side
    20,851.97x = 189,460,114.52
  5. Step 5: Solve for x
    x = 189,460,114.52/20,851.97
  6. Step 6: Final answer
    x = 9,085.96

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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.