Home / 63,435.69-95,161.37-20,740.12

Finding the Fourth Proportional to 63,435.69, 95,161.37 and 20,740.12

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Solution

The fourth proportional to 63,435.69, 95,161.37 and 20,740.12 is: 31,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,435.69 : 95,161.37 = 20,740.12 : x
  2. Step 2: Convert to fraction form
    63,435.69/95,161.37 = 20,740.12/x
  3. Step 3: Cross multiply
    63,435.69x = 95,161.37 × 20,740.12
  4. Step 4: Simplify right side
    63,435.69x = 1,973,657,891.56
  5. Step 5: Solve for x
    x = 1,973,657,891.56/63,435.69
  6. Step 6: Final answer
    x = 31,112.74

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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.