Home / 32,319.28-44,626.44-20,994.40

Finding the Fourth Proportional to 32,319.28, 44,626.44 and 20,994.40

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Solution

The fourth proportional to 32,319.28, 44,626.44 and 20,994.40 is: 28,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,319.28 : 44,626.44 = 20,994.40 : x
  2. Step 2: Convert to fraction form
    32,319.28/44,626.44 = 20,994.40/x
  3. Step 3: Cross multiply
    32,319.28x = 44,626.44 × 20,994.40
  4. Step 4: Simplify right side
    32,319.28x = 936,905,331.94
  5. Step 5: Solve for x
    x = 936,905,331.94/32,319.28
  6. Step 6: Final answer
    x = 28,989.05

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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.