Home / 43,502.20-65,235.06-13,912.12

Finding the Fourth Proportional to 43,502.20, 65,235.06 and 13,912.12

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Solution

The fourth proportional to 43,502.20, 65,235.06 and 13,912.12 is: 20,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.20 : 65,235.06 = 13,912.12 : x
  2. Step 2: Convert to fraction form
    43,502.20/65,235.06 = 13,912.12/x
  3. Step 3: Cross multiply
    43,502.20x = 65,235.06 × 13,912.12
  4. Step 4: Simplify right side
    43,502.20x = 907,557,982.93
  5. Step 5: Solve for x
    x = 907,557,982.93/43,502.20
  6. Step 6: Final answer
    x = 20,862.35

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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.