Home / 48,679.46-73,031.34-13,618.85

Finding the Fourth Proportional to 48,679.46, 73,031.34 and 13,618.85

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Solution

The fourth proportional to 48,679.46, 73,031.34 and 13,618.85 is: 20,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.46 : 73,031.34 = 13,618.85 : x
  2. Step 2: Convert to fraction form
    48,679.46/73,031.34 = 13,618.85/x
  3. Step 3: Cross multiply
    48,679.46x = 73,031.34 × 13,618.85
  4. Step 4: Simplify right side
    48,679.46x = 994,602,864.76
  5. Step 5: Solve for x
    x = 994,602,864.76/48,679.46
  6. Step 6: Final answer
    x = 20,431.67

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1.5x scale

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.