Home / 43,639.32-65,491.56-16,989.48

Finding the Fourth Proportional to 43,639.32, 65,491.56 and 16,989.48

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Solution

The fourth proportional to 43,639.32, 65,491.56 and 16,989.48 is: 25,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,639.32 : 65,491.56 = 16,989.48 : x
  2. Step 2: Convert to fraction form
    43,639.32/65,491.56 = 16,989.48/x
  3. Step 3: Cross multiply
    43,639.32x = 65,491.56 × 16,989.48
  4. Step 4: Simplify right side
    43,639.32x = 1,112,667,548.79
  5. Step 5: Solve for x
    x = 1,112,667,548.79/43,639.32
  6. Step 6: Final answer
    x = 25,496.90

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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.