Home / 43,469.32-65,203.34-13,886.76

Finding the Fourth Proportional to 43,469.32, 65,203.34 and 13,886.76

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Solution

The fourth proportional to 43,469.32, 65,203.34 and 13,886.76 is: 20,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.32 : 65,203.34 = 13,886.76 : x
  2. Step 2: Convert to fraction form
    43,469.32/65,203.34 = 13,886.76/x
  3. Step 3: Cross multiply
    43,469.32x = 65,203.34 × 13,886.76
  4. Step 4: Simplify right side
    43,469.32x = 905,463,133.78
  5. Step 5: Solve for x
    x = 905,463,133.78/43,469.32
  6. Step 6: Final answer
    x = 20,829.94

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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.