Home / 43,887.02-65,831.13-18,911.48

Finding the Fourth Proportional to 43,887.02, 65,831.13 and 18,911.48

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Solution

The fourth proportional to 43,887.02, 65,831.13 and 18,911.48 is: 28,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.02 : 65,831.13 = 18,911.48 : x
  2. Step 2: Convert to fraction form
    43,887.02/65,831.13 = 18,911.48/x
  3. Step 3: Cross multiply
    43,887.02x = 65,831.13 × 18,911.48
  4. Step 4: Simplify right side
    43,887.02x = 1,244,963,769.22
  5. Step 5: Solve for x
    x = 1,244,963,769.22/43,887.02
  6. Step 6: Final answer
    x = 28,367.47

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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.