Home / 34,451.60-51,546.70-20,419.16

Finding the Fourth Proportional to 34,451.60, 51,546.70 and 20,419.16

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Solution

The fourth proportional to 34,451.60, 51,546.70 and 20,419.16 is: 30,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.60 : 51,546.70 = 20,419.16 : x
  2. Step 2: Convert to fraction form
    34,451.60/51,546.70 = 20,419.16/x
  3. Step 3: Cross multiply
    34,451.60x = 51,546.70 × 20,419.16
  4. Step 4: Simplify right side
    34,451.60x = 1,052,540,314.77
  5. Step 5: Solve for x
    x = 1,052,540,314.77/34,451.60
  6. Step 6: Final answer
    x = 30,551.28

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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.