Home / 43,905.71-65,831.91-17,219.74

Finding the Fourth Proportional to 43,905.71, 65,831.91 and 17,219.74

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Solution

The fourth proportional to 43,905.71, 65,831.91 and 17,219.74 is: 25,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.71 : 65,831.91 = 17,219.74 : x
  2. Step 2: Convert to fraction form
    43,905.71/65,831.91 = 17,219.74/x
  3. Step 3: Cross multiply
    43,905.71x = 65,831.91 × 17,219.74
  4. Step 4: Simplify right side
    43,905.71x = 1,133,608,268.18
  5. Step 5: Solve for x
    x = 1,133,608,268.18/43,905.71
  6. Step 6: Final answer
    x = 25,819.15

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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.