Home / 35,451.18-48,922.72-19,318.61

Finding the Fourth Proportional to 35,451.18, 48,922.72 and 19,318.61

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Solution

The fourth proportional to 35,451.18, 48,922.72 and 19,318.61 is: 26,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.18 : 48,922.72 = 19,318.61 : x
  2. Step 2: Convert to fraction form
    35,451.18/48,922.72 = 19,318.61/x
  3. Step 3: Cross multiply
    35,451.18x = 48,922.72 × 19,318.61
  4. Step 4: Simplify right side
    35,451.18x = 945,119,021.83
  5. Step 5: Solve for x
    x = 945,119,021.83/35,451.18
  6. Step 6: Final answer
    x = 26,659.73

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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.