Home / 35,606.85-53,441.97-18,980.61

Finding the Fourth Proportional to 35,606.85, 53,441.97 and 18,980.61

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Solution

The fourth proportional to 35,606.85, 53,441.97 and 18,980.61 is: 28,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.85 : 53,441.97 = 18,980.61 : x
  2. Step 2: Convert to fraction form
    35,606.85/53,441.97 = 18,980.61/x
  3. Step 3: Cross multiply
    35,606.85x = 53,441.97 × 18,980.61
  4. Step 4: Simplify right side
    35,606.85x = 1,014,361,190.20
  5. Step 5: Solve for x
    x = 1,014,361,190.20/35,606.85
  6. Step 6: Final answer
    x = 28,487.81

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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.