Home / 32,783.04-45,233.82-20,842.02

Finding the Fourth Proportional to 32,783.04, 45,233.82 and 20,842.02

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Solution

The fourth proportional to 32,783.04, 45,233.82 and 20,842.02 is: 28,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.04 : 45,233.82 = 20,842.02 : x
  2. Step 2: Convert to fraction form
    32,783.04/45,233.82 = 20,842.02/x
  3. Step 3: Cross multiply
    32,783.04x = 45,233.82 × 20,842.02
  4. Step 4: Simplify right side
    32,783.04x = 942,764,181.12
  5. Step 5: Solve for x
    x = 942,764,181.12/32,783.04
  6. Step 6: Final answer
    x = 28,757.68

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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.