Home / 39,313.11-54,252.04-21,408.24

Finding the Fourth Proportional to 39,313.11, 54,252.04 and 21,408.24

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Solution

The fourth proportional to 39,313.11, 54,252.04 and 21,408.24 is: 29,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.11 : 54,252.04 = 21,408.24 : x
  2. Step 2: Convert to fraction form
    39,313.11/54,252.04 = 21,408.24/x
  3. Step 3: Cross multiply
    39,313.11x = 54,252.04 × 21,408.24
  4. Step 4: Simplify right side
    39,313.11x = 1,161,440,692.81
  5. Step 5: Solve for x
    x = 1,161,440,692.81/39,313.11
  6. Step 6: Final answer
    x = 29,543.34

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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.