Home / 43,502.72-65,257.26-13,513.04

Finding the Fourth Proportional to 43,502.72, 65,257.26 and 13,513.04

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Solution

The fourth proportional to 43,502.72, 65,257.26 and 13,513.04 is: 20,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.72 : 65,257.26 = 13,513.04 : x
  2. Step 2: Convert to fraction form
    43,502.72/65,257.26 = 13,513.04/x
  3. Step 3: Cross multiply
    43,502.72x = 65,257.26 × 13,513.04
  4. Step 4: Simplify right side
    43,502.72x = 881,823,964.67
  5. Step 5: Solve for x
    x = 881,823,964.67/43,502.72
  6. Step 6: Final answer
    x = 20,270.55

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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.