Home / 34,170.44-47,147.16-20,741.36

Finding the Fourth Proportional to 34,170.44, 47,147.16 and 20,741.36

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Solution

The fourth proportional to 34,170.44, 47,147.16 and 20,741.36 is: 28,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.44 : 47,147.16 = 20,741.36 : x
  2. Step 2: Convert to fraction form
    34,170.44/47,147.16 = 20,741.36/x
  3. Step 3: Cross multiply
    34,170.44x = 47,147.16 × 20,741.36
  4. Step 4: Simplify right side
    34,170.44x = 977,896,218.54
  5. Step 5: Solve for x
    x = 977,896,218.54/34,170.44
  6. Step 6: Final answer
    x = 28,618.19

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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.