Home / 43,488.78-65,233.22-11,896.50

Finding the Fourth Proportional to 43,488.78, 65,233.22 and 11,896.50

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Solution

The fourth proportional to 43,488.78, 65,233.22 and 11,896.50 is: 17,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.78 : 65,233.22 = 11,896.50 : x
  2. Step 2: Convert to fraction form
    43,488.78/65,233.22 = 11,896.50/x
  3. Step 3: Cross multiply
    43,488.78x = 65,233.22 × 11,896.50
  4. Step 4: Simplify right side
    43,488.78x = 776,047,074.36
  5. Step 5: Solve for x
    x = 776,047,074.36/43,488.78
  6. Step 6: Final answer
    x = 17,844.77

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1.5x scale

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.