Home / 46,401.20-69,634.20-20,124.80

Finding the Fourth Proportional to 46,401.20, 69,634.20 and 20,124.80

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Solution

The fourth proportional to 46,401.20, 69,634.20 and 20,124.80 is: 30,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,401.20 : 69,634.20 = 20,124.80 : x
  2. Step 2: Convert to fraction form
    46,401.20/69,634.20 = 20,124.80/x
  3. Step 3: Cross multiply
    46,401.20x = 69,634.20 × 20,124.80
  4. Step 4: Simplify right side
    46,401.20x = 1,401,374,348.16
  5. Step 5: Solve for x
    x = 1,401,374,348.16/46,401.20
  6. Step 6: Final answer
    x = 30,201.25

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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.