Home / 47,230.87-70,853.97-13,954.28

Finding the Fourth Proportional to 47,230.87, 70,853.97 and 13,954.28

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Solution

The fourth proportional to 47,230.87, 70,853.97 and 13,954.28 is: 20,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.87 : 70,853.97 = 13,954.28 : x
  2. Step 2: Convert to fraction form
    47,230.87/70,853.97 = 13,954.28/x
  3. Step 3: Cross multiply
    47,230.87x = 70,853.97 × 13,954.28
  4. Step 4: Simplify right side
    47,230.87x = 988,716,136.49
  5. Step 5: Solve for x
    x = 988,716,136.49/47,230.87
  6. Step 6: Final answer
    x = 20,933.68

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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.