Home / 31,262.36-46,879.36-13,484.60

Finding the Fourth Proportional to 31,262.36, 46,879.36 and 13,484.60

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Solution

The fourth proportional to 31,262.36, 46,879.36 and 13,484.60 is: 20,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.36 : 46,879.36 = 13,484.60 : x
  2. Step 2: Convert to fraction form
    31,262.36/46,879.36 = 13,484.60/x
  3. Step 3: Cross multiply
    31,262.36x = 46,879.36 × 13,484.60
  4. Step 4: Simplify right side
    31,262.36x = 632,149,417.86
  5. Step 5: Solve for x
    x = 632,149,417.86/31,262.36
  6. Step 6: Final answer
    x = 20,220.78

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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.