Home / 31,022.80-46,542.36-13,496.08

Finding the Fourth Proportional to 31,022.80, 46,542.36 and 13,496.08

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Solution

The fourth proportional to 31,022.80, 46,542.36 and 13,496.08 is: 20,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022.80 : 46,542.36 = 13,496.08 : x
  2. Step 2: Convert to fraction form
    31,022.80/46,542.36 = 13,496.08/x
  3. Step 3: Cross multiply
    31,022.80x = 46,542.36 × 13,496.08
  4. Step 4: Simplify right side
    31,022.80x = 628,139,413.95
  5. Step 5: Solve for x
    x = 628,139,413.95/31,022.80
  6. Step 6: Final answer
    x = 20,247.67

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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.