Home / 33,445.64-46,145.80-20,692.70

Finding the Fourth Proportional to 33,445.64, 46,145.80 and 20,692.70

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Solution

The fourth proportional to 33,445.64, 46,145.80 and 20,692.70 is: 28,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,445.64 : 46,145.80 = 20,692.70 : x
  2. Step 2: Convert to fraction form
    33,445.64/46,145.80 = 20,692.70/x
  3. Step 3: Cross multiply
    33,445.64x = 46,145.80 × 20,692.70
  4. Step 4: Simplify right side
    33,445.64x = 954,881,163.84
  5. Step 5: Solve for x
    x = 954,881,163.84/33,445.64
  6. Step 6: Final answer
    x = 28,550.24

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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.