Home / 36,271.60-54,407.32-20,469.46

Finding the Fourth Proportional to 36,271.60, 54,407.32 and 20,469.46

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Solution

The fourth proportional to 36,271.60, 54,407.32 and 20,469.46 is: 30,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271.60 : 54,407.32 = 20,469.46 : x
  2. Step 2: Convert to fraction form
    36,271.60/54,407.32 = 20,469.46/x
  3. Step 3: Cross multiply
    36,271.60x = 54,407.32 × 20,469.46
  4. Step 4: Simplify right side
    36,271.60x = 1,113,688,432.84
  5. Step 5: Solve for x
    x = 1,113,688,432.84/36,271.60
  6. Step 6: Final answer
    x = 30,704.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.