Home / 40,401.62-60,612.26-12,322.18

Finding the Fourth Proportional to 40,401.62, 60,612.26 and 12,322.18

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Solution

The fourth proportional to 40,401.62, 60,612.26 and 12,322.18 is: 18,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.62 : 60,612.26 = 12,322.18 : x
  2. Step 2: Convert to fraction form
    40,401.62/60,612.26 = 12,322.18/x
  3. Step 3: Cross multiply
    40,401.62x = 60,612.26 × 12,322.18
  4. Step 4: Simplify right side
    40,401.62x = 746,875,177.93
  5. Step 5: Solve for x
    x = 746,875,177.93/40,401.62
  6. Step 6: Final answer
    x = 18,486.27

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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.