Home / 46,125.74-69,188.62-21,149.30

Finding the Fourth Proportional to 46,125.74, 69,188.62 and 21,149.30

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Solution

The fourth proportional to 46,125.74, 69,188.62 and 21,149.30 is: 31,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,125.74 : 69,188.62 = 21,149.30 : x
  2. Step 2: Convert to fraction form
    46,125.74/69,188.62 = 21,149.30/x
  3. Step 3: Cross multiply
    46,125.74x = 69,188.62 × 21,149.30
  4. Step 4: Simplify right side
    46,125.74x = 1,463,290,880.97
  5. Step 5: Solve for x
    x = 1,463,290,880.97/46,125.74
  6. Step 6: Final answer
    x = 31,723.95

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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.