Home / 31,016.28-46,525.95-8,831.20

Finding the Fourth Proportional to 31,016.28, 46,525.95 and 8,831.20

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Solution

The fourth proportional to 31,016.28, 46,525.95 and 8,831.20 is: 13,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.28 : 46,525.95 = 8,831.20 : x
  2. Step 2: Convert to fraction form
    31,016.28/46,525.95 = 8,831.20/x
  3. Step 3: Cross multiply
    31,016.28x = 46,525.95 × 8,831.20
  4. Step 4: Simplify right side
    31,016.28x = 410,879,969.64
  5. Step 5: Solve for x
    x = 410,879,969.64/31,016.28
  6. Step 6: Final answer
    x = 13,247.24

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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.