Home / 31,109.14-46,663.30-7,735.78

Finding the Fourth Proportional to 31,109.14, 46,663.30 and 7,735.78

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Solution

The fourth proportional to 31,109.14, 46,663.30 and 7,735.78 is: 11,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.14 : 46,663.30 = 7,735.78 : x
  2. Step 2: Convert to fraction form
    31,109.14/46,663.30 = 7,735.78/x
  3. Step 3: Cross multiply
    31,109.14x = 46,663.30 × 7,735.78
  4. Step 4: Simplify right side
    31,109.14x = 360,977,022.87
  5. Step 5: Solve for x
    x = 360,977,022.87/31,109.14
  6. Step 6: Final answer
    x = 11,603.57

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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.