Home / 43,989.72-65,984.58-10,709.79

Finding the Fourth Proportional to 43,989.72, 65,984.58 and 10,709.79

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Solution

The fourth proportional to 43,989.72, 65,984.58 and 10,709.79 is: 16,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,989.72 : 65,984.58 = 10,709.79 : x
  2. Step 2: Convert to fraction form
    43,989.72/65,984.58 = 10,709.79/x
  3. Step 3: Cross multiply
    43,989.72x = 65,984.58 × 10,709.79
  4. Step 4: Simplify right side
    43,989.72x = 706,680,995.04
  5. Step 5: Solve for x
    x = 706,680,995.04/43,989.72
  6. Step 6: Final answer
    x = 16,064.69

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Similar ratio
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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.