Home / 43,892.21-65,831.40-14,309.79

Finding the Fourth Proportional to 43,892.21, 65,831.40 and 14,309.79

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Solution

The fourth proportional to 43,892.21, 65,831.40 and 14,309.79 is: 21,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,892.21 : 65,831.40 = 14,309.79 : x
  2. Step 2: Convert to fraction form
    43,892.21/65,831.40 = 14,309.79/x
  3. Step 3: Cross multiply
    43,892.21x = 65,831.40 × 14,309.79
  4. Step 4: Simplify right side
    43,892.21x = 942,033,509.41
  5. Step 5: Solve for x
    x = 942,033,509.41/43,892.21
  6. Step 6: Final answer
    x = 21,462.43

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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.