Home / 43,372.44-65,057.76-13,790.34

Finding the Fourth Proportional to 43,372.44, 65,057.76 and 13,790.34

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Solution

The fourth proportional to 43,372.44, 65,057.76 and 13,790.34 is: 20,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,372.44 : 65,057.76 = 13,790.34 : x
  2. Step 2: Convert to fraction form
    43,372.44/65,057.76 = 13,790.34/x
  3. Step 3: Cross multiply
    43,372.44x = 65,057.76 × 13,790.34
  4. Step 4: Simplify right side
    43,372.44x = 897,168,630.04
  5. Step 5: Solve for x
    x = 897,168,630.04/43,372.44
  6. Step 6: Final answer
    x = 20,685.22

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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.