Home / 43,989.71-65,984.58-10,709.78

Finding the Fourth Proportional to 43,989.71, 65,984.58 and 10,709.78

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Solution

The fourth proportional to 43,989.71, 65,984.58 and 10,709.78 is: 16,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,989.71 : 65,984.58 = 10,709.78 : x
  2. Step 2: Convert to fraction form
    43,989.71/65,984.58 = 10,709.78/x
  3. Step 3: Cross multiply
    43,989.71x = 65,984.58 × 10,709.78
  4. Step 4: Simplify right side
    43,989.71x = 706,680,005.27
  5. Step 5: Solve for x
    x = 706,680,005.27/43,989.71
  6. Step 6: Final answer
    x = 16,064.67

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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.