Home / 33,783.59-46,621.32-20,355.41

Finding the Fourth Proportional to 33,783.59, 46,621.32 and 20,355.41

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Solution

The fourth proportional to 33,783.59, 46,621.32 and 20,355.41 is: 28,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,783.59 : 46,621.32 = 20,355.41 : x
  2. Step 2: Convert to fraction form
    33,783.59/46,621.32 = 20,355.41/x
  3. Step 3: Cross multiply
    33,783.59x = 46,621.32 × 20,355.41
  4. Step 4: Simplify right side
    33,783.59x = 948,996,083.34
  5. Step 5: Solve for x
    x = 948,996,083.34/33,783.59
  6. Step 6: Final answer
    x = 28,090.45

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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.