Home / 47,262.92-70,872.72-20,607.80

Finding the Fourth Proportional to 47,262.92, 70,872.72 and 20,607.80

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Solution

The fourth proportional to 47,262.92, 70,872.72 and 20,607.80 is: 30,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,262.92 : 70,872.72 = 20,607.80 : x
  2. Step 2: Convert to fraction form
    47,262.92/70,872.72 = 20,607.80/x
  3. Step 3: Cross multiply
    47,262.92x = 70,872.72 × 20,607.80
  4. Step 4: Simplify right side
    47,262.92x = 1,460,530,839.22
  5. Step 5: Solve for x
    x = 1,460,530,839.22/47,262.92
  6. Step 6: Final answer
    x = 30,902.26

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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.