Home / 46,431.93-69,647.90-20,136.09

Finding the Fourth Proportional to 46,431.93, 69,647.90 and 20,136.09

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Solution

The fourth proportional to 46,431.93, 69,647.90 and 20,136.09 is: 30,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,431.93 : 69,647.90 = 20,136.09 : x
  2. Step 2: Convert to fraction form
    46,431.93/69,647.90 = 20,136.09/x
  3. Step 3: Cross multiply
    46,431.93x = 69,647.90 × 20,136.09
  4. Step 4: Simplify right side
    46,431.93x = 1,402,436,656.48
  5. Step 5: Solve for x
    x = 1,402,436,656.48/46,431.93
  6. Step 6: Final answer
    x = 30,204.14

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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.