Home / 31,122.48-46,668.36-13,584.72

Finding the Fourth Proportional to 31,122.48, 46,668.36 and 13,584.72

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Solution

The fourth proportional to 31,122.48, 46,668.36 and 13,584.72 is: 20,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.48 : 46,668.36 = 13,584.72 : x
  2. Step 2: Convert to fraction form
    31,122.48/46,668.36 = 13,584.72/x
  3. Step 3: Cross multiply
    31,122.48x = 46,668.36 × 13,584.72
  4. Step 4: Simplify right side
    31,122.48x = 633,976,603.46
  5. Step 5: Solve for x
    x = 633,976,603.46/31,122.48
  6. Step 6: Final answer
    x = 20,370.38

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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.