Home / 34,103.43-47,065.10-20,675.25

Finding the Fourth Proportional to 34,103.43, 47,065.10 and 20,675.25

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Solution

The fourth proportional to 34,103.43, 47,065.10 and 20,675.25 is: 28,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.43 : 47,065.10 = 20,675.25 : x
  2. Step 2: Convert to fraction form
    34,103.43/47,065.10 = 20,675.25/x
  3. Step 3: Cross multiply
    34,103.43x = 47,065.10 × 20,675.25
  4. Step 4: Simplify right side
    34,103.43x = 973,082,708.78
  5. Step 5: Solve for x
    x = 973,082,708.78/34,103.43
  6. Step 6: Final answer
    x = 28,533.28

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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.