Home / 44,975.21-67,462.79-13,385.12

Finding the Fourth Proportional to 44,975.21, 67,462.79 and 13,385.12

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Solution

The fourth proportional to 44,975.21, 67,462.79 and 13,385.12 is: 20,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,975.21 : 67,462.79 = 13,385.12 : x
  2. Step 2: Convert to fraction form
    44,975.21/67,462.79 = 13,385.12/x
  3. Step 3: Cross multiply
    44,975.21x = 67,462.79 × 13,385.12
  4. Step 4: Simplify right side
    44,975.21x = 902,997,135.45
  5. Step 5: Solve for x
    x = 902,997,135.45/44,975.21
  6. Step 6: Final answer
    x = 20,077.67

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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.