Home / 35,831.76-53,762.16-12,474.56

Finding the Fourth Proportional to 35,831.76, 53,762.16 and 12,474.56

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Solution

The fourth proportional to 35,831.76, 53,762.16 and 12,474.56 is: 18,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.76 : 53,762.16 = 12,474.56 : x
  2. Step 2: Convert to fraction form
    35,831.76/53,762.16 = 12,474.56/x
  3. Step 3: Cross multiply
    35,831.76x = 53,762.16 × 12,474.56
  4. Step 4: Simplify right side
    35,831.76x = 670,659,290.65
  5. Step 5: Solve for x
    x = 670,659,290.65/35,831.76
  6. Step 6: Final answer
    x = 18,716.90

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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.