Home / 43,710.40-65,565.96-12,546.64

Finding the Fourth Proportional to 43,710.40, 65,565.96 and 12,546.64

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Solution

The fourth proportional to 43,710.40, 65,565.96 and 12,546.64 is: 18,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.40 : 65,565.96 = 12,546.64 : x
  2. Step 2: Convert to fraction form
    43,710.40/65,565.96 = 12,546.64/x
  3. Step 3: Cross multiply
    43,710.40x = 65,565.96 × 12,546.64
  4. Step 4: Simplify right side
    43,710.40x = 822,632,496.37
  5. Step 5: Solve for x
    x = 822,632,496.37/43,710.40
  6. Step 6: Final answer
    x = 18,820.06

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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.