Home / 31,220.99-46,831.38-11,230.45

Finding the Fourth Proportional to 31,220.99, 46,831.38 and 11,230.45

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Solution

The fourth proportional to 31,220.99, 46,831.38 and 11,230.45 is: 16,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.99 : 46,831.38 = 11,230.45 : x
  2. Step 2: Convert to fraction form
    31,220.99/46,831.38 = 11,230.45/x
  3. Step 3: Cross multiply
    31,220.99x = 46,831.38 × 11,230.45
  4. Step 4: Simplify right side
    31,220.99x = 525,937,471.52
  5. Step 5: Solve for x
    x = 525,937,471.52/31,220.99
  6. Step 6: Final answer
    x = 16,845.64

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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.