Home / 35,450.48-48,923.69-20,343

Finding the Fourth Proportional to 35,450.48, 48,923.69 and 20,343

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Solution

The fourth proportional to 35,450.48, 48,923.69 and 20,343 is: 28,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.48 : 48,923.69 = 20,343 : x
  2. Step 2: Convert to fraction form
    35,450.48/48,923.69 = 20,343/x
  3. Step 3: Cross multiply
    35,450.48x = 48,923.69 × 20,343
  4. Step 4: Simplify right side
    35,450.48x = 995,254,523.96
  5. Step 5: Solve for x
    x = 995,254,523.96/35,450.48
  6. Step 6: Final answer
    x = 28,074.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.