Home / 20,853.30-31,281.57-6,062.43

Finding the Fourth Proportional to 20,853.30, 31,281.57 and 6,062.43

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Solution

The fourth proportional to 20,853.30, 31,281.57 and 6,062.43 is: 9,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853.30 : 31,281.57 = 6,062.43 : x
  2. Step 2: Convert to fraction form
    20,853.30/31,281.57 = 6,062.43/x
  3. Step 3: Cross multiply
    20,853.30x = 31,281.57 × 6,062.43
  4. Step 4: Simplify right side
    20,853.30x = 189,642,328.42
  5. Step 5: Solve for x
    x = 189,642,328.42/20,853.30
  6. Step 6: Final answer
    x = 9,094.12

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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.