Home / 46,487.36-69,691.84-20,172.32

Finding the Fourth Proportional to 46,487.36, 69,691.84 and 20,172.32

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Solution

The fourth proportional to 46,487.36, 69,691.84 and 20,172.32 is: 30,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,487.36 : 69,691.84 = 20,172.32 : x
  2. Step 2: Convert to fraction form
    46,487.36/69,691.84 = 20,172.32/x
  3. Step 3: Cross multiply
    46,487.36x = 69,691.84 × 20,172.32
  4. Step 4: Simplify right side
    46,487.36x = 1,405,846,097.87
  5. Step 5: Solve for x
    x = 1,405,846,097.87/46,487.36
  6. Step 6: Final answer
    x = 30,241.47

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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.