Home / 30,523.86-45,790.38-10,802.61

Finding the Fourth Proportional to 30,523.86, 45,790.38 and 10,802.61

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Solution

The fourth proportional to 30,523.86, 45,790.38 and 10,802.61 is: 16,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.86 : 45,790.38 = 10,802.61 : x
  2. Step 2: Convert to fraction form
    30,523.86/45,790.38 = 10,802.61/x
  3. Step 3: Cross multiply
    30,523.86x = 45,790.38 × 10,802.61
  4. Step 4: Simplify right side
    30,523.86x = 494,655,616.89
  5. Step 5: Solve for x
    x = 494,655,616.89/30,523.86
  6. Step 6: Final answer
    x = 16,205.54

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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.