Home / 35,470.86-53,213.85-12,112.62

Finding the Fourth Proportional to 35,470.86, 53,213.85 and 12,112.62

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Solution

The fourth proportional to 35,470.86, 53,213.85 and 12,112.62 is: 18,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.86 : 53,213.85 = 12,112.62 : x
  2. Step 2: Convert to fraction form
    35,470.86/53,213.85 = 12,112.62/x
  3. Step 3: Cross multiply
    35,470.86x = 53,213.85 × 12,112.62
  4. Step 4: Simplify right side
    35,470.86x = 644,559,143.79
  5. Step 5: Solve for x
    x = 644,559,143.79/35,470.86
  6. Step 6: Final answer
    x = 18,171.51

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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.