Home / 33,580.32-46,346.04-20,835.78

Finding the Fourth Proportional to 33,580.32, 46,346.04 and 20,835.78

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Solution

The fourth proportional to 33,580.32, 46,346.04 and 20,835.78 is: 28,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,580.32 : 46,346.04 = 20,835.78 : x
  2. Step 2: Convert to fraction form
    33,580.32/46,346.04 = 20,835.78/x
  3. Step 3: Cross multiply
    33,580.32x = 46,346.04 × 20,835.78
  4. Step 4: Simplify right side
    33,580.32x = 965,655,893.31
  5. Step 5: Solve for x
    x = 965,655,893.31/33,580.32
  6. Step 6: Final answer
    x = 28,756.60

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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.