Home / 35,333.96-48,763.57-20,231.35

Finding the Fourth Proportional to 35,333.96, 48,763.57 and 20,231.35

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Solution

The fourth proportional to 35,333.96, 48,763.57 and 20,231.35 is: 27,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,333.96 : 48,763.57 = 20,231.35 : x
  2. Step 2: Convert to fraction form
    35,333.96/48,763.57 = 20,231.35/x
  3. Step 3: Cross multiply
    35,333.96x = 48,763.57 × 20,231.35
  4. Step 4: Simplify right side
    35,333.96x = 986,552,851.92
  5. Step 5: Solve for x
    x = 986,552,851.92/35,333.96
  6. Step 6: Final answer
    x = 27,920.81

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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.