Home / 43,503.24-65,240.82-12,330.12

Finding the Fourth Proportional to 43,503.24, 65,240.82 and 12,330.12

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Solution

The fourth proportional to 43,503.24, 65,240.82 and 12,330.12 is: 18,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503.24 : 65,240.82 = 12,330.12 : x
  2. Step 2: Convert to fraction form
    43,503.24/65,240.82 = 12,330.12/x
  3. Step 3: Cross multiply
    43,503.24x = 65,240.82 × 12,330.12
  4. Step 4: Simplify right side
    43,503.24x = 804,427,139.50
  5. Step 5: Solve for x
    x = 804,427,139.50/43,503.24
  6. Step 6: Final answer
    x = 18,491.20

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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.