Home / 43,831.37-65,762.31-13,850.18

Finding the Fourth Proportional to 43,831.37, 65,762.31 and 13,850.18

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Solution

The fourth proportional to 43,831.37, 65,762.31 and 13,850.18 is: 20,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.37 : 65,762.31 = 13,850.18 : x
  2. Step 2: Convert to fraction form
    43,831.37/65,762.31 = 13,850.18/x
  3. Step 3: Cross multiply
    43,831.37x = 65,762.31 × 13,850.18
  4. Step 4: Simplify right side
    43,831.37x = 910,819,830.72
  5. Step 5: Solve for x
    x = 910,819,830.72/43,831.37
  6. Step 6: Final answer
    x = 20,780.09

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1.5x scale

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.