Home / 35,911.32-53,867.13-12,537.75

Finding the Fourth Proportional to 35,911.32, 53,867.13 and 12,537.75

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Solution

The fourth proportional to 35,911.32, 53,867.13 and 12,537.75 is: 18,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.32 : 53,867.13 = 12,537.75 : x
  2. Step 2: Convert to fraction form
    35,911.32/53,867.13 = 12,537.75/x
  3. Step 3: Cross multiply
    35,911.32x = 53,867.13 × 12,537.75
  4. Step 4: Simplify right side
    35,911.32x = 675,372,764.14
  5. Step 5: Solve for x
    x = 675,372,764.14/35,911.32
  6. Step 6: Final answer
    x = 18,806.68

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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.