Home / 34,189.63-47,183.51-20,047.03

Finding the Fourth Proportional to 34,189.63, 47,183.51 and 20,047.03

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Solution

The fourth proportional to 34,189.63, 47,183.51 and 20,047.03 is: 27,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,189.63 : 47,183.51 = 20,047.03 : x
  2. Step 2: Convert to fraction form
    34,189.63/47,183.51 = 20,047.03/x
  3. Step 3: Cross multiply
    34,189.63x = 47,183.51 × 20,047.03
  4. Step 4: Simplify right side
    34,189.63x = 945,888,904.32
  5. Step 5: Solve for x
    x = 945,888,904.32/34,189.63
  6. Step 6: Final answer
    x = 27,665.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.