Home / 43,553.38-65,311.63-13,955.08

Finding the Fourth Proportional to 43,553.38, 65,311.63 and 13,955.08

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Solution

The fourth proportional to 43,553.38, 65,311.63 and 13,955.08 is: 20,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,553.38 : 65,311.63 = 13,955.08 : x
  2. Step 2: Convert to fraction form
    43,553.38/65,311.63 = 13,955.08/x
  3. Step 3: Cross multiply
    43,553.38x = 65,311.63 × 13,955.08
  4. Step 4: Simplify right side
    43,553.38x = 911,429,021.58
  5. Step 5: Solve for x
    x = 911,429,021.58/43,553.38
  6. Step 6: Final answer
    x = 20,926.71

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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.