Home / 41,520.36-62,290.43-13,440.43

Finding the Fourth Proportional to 41,520.36, 62,290.43 and 13,440.43

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Solution

The fourth proportional to 41,520.36, 62,290.43 and 13,440.43 is: 20,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,520.36 : 62,290.43 = 13,440.43 : x
  2. Step 2: Convert to fraction form
    41,520.36/62,290.43 = 13,440.43/x
  3. Step 3: Cross multiply
    41,520.36x = 62,290.43 × 13,440.43
  4. Step 4: Simplify right side
    41,520.36x = 837,210,041.96
  5. Step 5: Solve for x
    x = 837,210,041.96/41,520.36
  6. Step 6: Final answer
    x = 20,163.84

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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.