Home / 43,402.43-65,108.25-13,813.34

Finding the Fourth Proportional to 43,402.43, 65,108.25 and 13,813.34

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Solution

The fourth proportional to 43,402.43, 65,108.25 and 13,813.34 is: 20,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.43 : 65,108.25 = 13,813.34 : x
  2. Step 2: Convert to fraction form
    43,402.43/65,108.25 = 13,813.34/x
  3. Step 3: Cross multiply
    43,402.43x = 65,108.25 × 13,813.34
  4. Step 4: Simplify right side
    43,402.43x = 899,362,556.83
  5. Step 5: Solve for x
    x = 899,362,556.83/43,402.43
  6. Step 6: Final answer
    x = 20,721.48

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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.