Home / 43,516.19-65,274.86-13,934.03

Finding the Fourth Proportional to 43,516.19, 65,274.86 and 13,934.03

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Solution

The fourth proportional to 43,516.19, 65,274.86 and 13,934.03 is: 20,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,516.19 : 65,274.86 = 13,934.03 : x
  2. Step 2: Convert to fraction form
    43,516.19/65,274.86 = 13,934.03/x
  3. Step 3: Cross multiply
    43,516.19x = 65,274.86 × 13,934.03
  4. Step 4: Simplify right side
    43,516.19x = 909,541,857.49
  5. Step 5: Solve for x
    x = 909,541,857.49/43,516.19
  6. Step 6: Final answer
    x = 20,901.23

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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.