Home / 32,318.28-44,625.06-20,993.40

Finding the Fourth Proportional to 32,318.28, 44,625.06 and 20,993.40

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Solution

The fourth proportional to 32,318.28, 44,625.06 and 20,993.40 is: 28,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,318.28 : 44,625.06 = 20,993.40 : x
  2. Step 2: Convert to fraction form
    32,318.28/44,625.06 = 20,993.40/x
  3. Step 3: Cross multiply
    32,318.28x = 44,625.06 × 20,993.40
  4. Step 4: Simplify right side
    32,318.28x = 936,831,734.60
  5. Step 5: Solve for x
    x = 936,831,734.60/32,318.28
  6. Step 6: Final answer
    x = 28,987.67

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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.