Home / 43,408.96-65,090.40-21,226.24

Finding the Fourth Proportional to 43,408.96, 65,090.40 and 21,226.24

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Solution

The fourth proportional to 43,408.96, 65,090.40 and 21,226.24 is: 31,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,408.96 : 65,090.40 = 21,226.24 : x
  2. Step 2: Convert to fraction form
    43,408.96/65,090.40 = 21,226.24/x
  3. Step 3: Cross multiply
    43,408.96x = 65,090.40 × 21,226.24
  4. Step 4: Simplify right side
    43,408.96x = 1,381,624,452.10
  5. Step 5: Solve for x
    x = 1,381,624,452.10/43,408.96
  6. Step 6: Final answer
    x = 31,828.09

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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.