Home / 43,374.45-65,061.87-18,408.24

Finding the Fourth Proportional to 43,374.45, 65,061.87 and 18,408.24

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Solution

The fourth proportional to 43,374.45, 65,061.87 and 18,408.24 is: 27,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,374.45 : 65,061.87 = 18,408.24 : x
  2. Step 2: Convert to fraction form
    43,374.45/65,061.87 = 18,408.24/x
  3. Step 3: Cross multiply
    43,374.45x = 65,061.87 × 18,408.24
  4. Step 4: Simplify right side
    43,374.45x = 1,197,674,517.81
  5. Step 5: Solve for x
    x = 1,197,674,517.81/43,374.45
  6. Step 6: Final answer
    x = 27,612.44

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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.