Home / 43,492.16-65,238.12-12,327.68

Finding the Fourth Proportional to 43,492.16, 65,238.12 and 12,327.68

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Solution

The fourth proportional to 43,492.16, 65,238.12 and 12,327.68 is: 18,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.16 : 65,238.12 = 12,327.68 : x
  2. Step 2: Convert to fraction form
    43,492.16/65,238.12 = 12,327.68/x
  3. Step 3: Cross multiply
    43,492.16x = 65,238.12 × 12,327.68
  4. Step 4: Simplify right side
    43,492.16x = 804,234,667.16
  5. Step 5: Solve for x
    x = 804,234,667.16/43,492.16
  6. Step 6: Final answer
    x = 18,491.49

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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.