Home / 31,831.13-47,768.63-11,054.63

Finding the Fourth Proportional to 31,831.13, 47,768.63 and 11,054.63

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Solution

The fourth proportional to 31,831.13, 47,768.63 and 11,054.63 is: 16,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.13 : 47,768.63 = 11,054.63 : x
  2. Step 2: Convert to fraction form
    31,831.13/47,768.63 = 11,054.63/x
  3. Step 3: Cross multiply
    31,831.13x = 47,768.63 × 11,054.63
  4. Step 4: Simplify right side
    31,831.13x = 528,064,236.14
  5. Step 5: Solve for x
    x = 528,064,236.14/31,831.13
  6. Step 6: Final answer
    x = 16,589.56

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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.