Home / 46,210.31-69,319.83-12,930.38

Finding the Fourth Proportional to 46,210.31, 69,319.83 and 12,930.38

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Solution

The fourth proportional to 46,210.31, 69,319.83 and 12,930.38 is: 19,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,210.31 : 69,319.83 = 12,930.38 : x
  2. Step 2: Convert to fraction form
    46,210.31/69,319.83 = 12,930.38/x
  3. Step 3: Cross multiply
    46,210.31x = 69,319.83 × 12,930.38
  4. Step 4: Simplify right side
    46,210.31x = 896,331,743.44
  5. Step 5: Solve for x
    x = 896,331,743.44/46,210.31
  6. Step 6: Final answer
    x = 19,396.79

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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.