Home / 47,270.54-70,919.55-13,991.46

Finding the Fourth Proportional to 47,270.54, 70,919.55 and 13,991.46

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Solution

The fourth proportional to 47,270.54, 70,919.55 and 13,991.46 is: 20,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.54 : 70,919.55 = 13,991.46 : x
  2. Step 2: Convert to fraction form
    47,270.54/70,919.55 = 13,991.46/x
  3. Step 3: Cross multiply
    47,270.54x = 70,919.55 × 13,991.46
  4. Step 4: Simplify right side
    47,270.54x = 992,268,047.04
  5. Step 5: Solve for x
    x = 992,268,047.04/47,270.54
  6. Step 6: Final answer
    x = 20,991.26

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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.