Home / 34,054.21-46,983.61-20,620.36

Finding the Fourth Proportional to 34,054.21, 46,983.61 and 20,620.36

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Solution

The fourth proportional to 34,054.21, 46,983.61 and 20,620.36 is: 28,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.21 : 46,983.61 = 20,620.36 : x
  2. Step 2: Convert to fraction form
    34,054.21/46,983.61 = 20,620.36/x
  3. Step 3: Cross multiply
    34,054.21x = 46,983.61 × 20,620.36
  4. Step 4: Simplify right side
    34,054.21x = 968,818,952.30
  5. Step 5: Solve for x
    x = 968,818,952.30/34,054.21
  6. Step 6: Final answer
    x = 28,449.32

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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.