Home / 34,682.31-47,858.58-20,345.04

Finding the Fourth Proportional to 34,682.31, 47,858.58 and 20,345.04

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Solution

The fourth proportional to 34,682.31, 47,858.58 and 20,345.04 is: 28,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682.31 : 47,858.58 = 20,345.04 : x
  2. Step 2: Convert to fraction form
    34,682.31/47,858.58 = 20,345.04/x
  3. Step 3: Cross multiply
    34,682.31x = 47,858.58 × 20,345.04
  4. Step 4: Simplify right side
    34,682.31x = 973,684,724.44
  5. Step 5: Solve for x
    x = 973,684,724.44/34,682.31
  6. Step 6: Final answer
    x = 28,074.39

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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.