Home / 30,408.57-41,958.81-16,977.66

Finding the Fourth Proportional to 30,408.57, 41,958.81 and 16,977.66

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Solution

The fourth proportional to 30,408.57, 41,958.81 and 16,977.66 is: 23,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.57 : 41,958.81 = 16,977.66 : x
  2. Step 2: Convert to fraction form
    30,408.57/41,958.81 = 16,977.66/x
  3. Step 3: Cross multiply
    30,408.57x = 41,958.81 × 16,977.66
  4. Step 4: Simplify right side
    30,408.57x = 712,362,410.18
  5. Step 5: Solve for x
    x = 712,362,410.18/30,408.57
  6. Step 6: Final answer
    x = 23,426.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.