Home / 32,138.34-48,206.10-8,764.70

Finding the Fourth Proportional to 32,138.34, 48,206.10 and 8,764.70

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Solution

The fourth proportional to 32,138.34, 48,206.10 and 8,764.70 is: 13,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.34 : 48,206.10 = 8,764.70 : x
  2. Step 2: Convert to fraction form
    32,138.34/48,206.10 = 8,764.70/x
  3. Step 3: Cross multiply
    32,138.34x = 48,206.10 × 8,764.70
  4. Step 4: Simplify right side
    32,138.34x = 422,512,004.67
  5. Step 5: Solve for x
    x = 422,512,004.67/32,138.34
  6. Step 6: Final answer
    x = 13,146.67

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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.