Home / 43,831.50-65,714.45-14,231.67

Finding the Fourth Proportional to 43,831.50, 65,714.45 and 14,231.67

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Solution

The fourth proportional to 43,831.50, 65,714.45 and 14,231.67 is: 21,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.50 : 65,714.45 = 14,231.67 : x
  2. Step 2: Convert to fraction form
    43,831.50/65,714.45 = 14,231.67/x
  3. Step 3: Cross multiply
    43,831.50x = 65,714.45 × 14,231.67
  4. Step 4: Simplify right side
    43,831.50x = 935,226,295.47
  5. Step 5: Solve for x
    x = 935,226,295.47/43,831.50
  6. Step 6: Final answer
    x = 21,336.85

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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.