Home / 32,793.20-45,261.34-20,854.23

Finding the Fourth Proportional to 32,793.20, 45,261.34 and 20,854.23

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Solution

The fourth proportional to 32,793.20, 45,261.34 and 20,854.23 is: 28,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,793.20 : 45,261.34 = 20,854.23 : x
  2. Step 2: Convert to fraction form
    32,793.20/45,261.34 = 20,854.23/x
  3. Step 3: Cross multiply
    32,793.20x = 45,261.34 × 20,854.23
  4. Step 4: Simplify right side
    32,793.20x = 943,890,394.47
  5. Step 5: Solve for x
    x = 943,890,394.47/32,793.20
  6. Step 6: Final answer
    x = 28,783.11

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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.