Home / 45,524.63-68,255.80-20,551.05

Finding the Fourth Proportional to 45,524.63, 68,255.80 and 20,551.05

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Solution

The fourth proportional to 45,524.63, 68,255.80 and 20,551.05 is: 30,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,524.63 : 68,255.80 = 20,551.05 : x
  2. Step 2: Convert to fraction form
    45,524.63/68,255.80 = 20,551.05/x
  3. Step 3: Cross multiply
    45,524.63x = 68,255.80 × 20,551.05
  4. Step 4: Simplify right side
    45,524.63x = 1,402,728,433.39
  5. Step 5: Solve for x
    x = 1,402,728,433.39/45,524.63
  6. Step 6: Final answer
    x = 30,812.52

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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.