Home / 46,012.77-69,020.70-12,730.05

Finding the Fourth Proportional to 46,012.77, 69,020.70 and 12,730.05

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Solution

The fourth proportional to 46,012.77, 69,020.70 and 12,730.05 is: 19,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.77 : 69,020.70 = 12,730.05 : x
  2. Step 2: Convert to fraction form
    46,012.77/69,020.70 = 12,730.05/x
  3. Step 3: Cross multiply
    46,012.77x = 69,020.70 × 12,730.05
  4. Step 4: Simplify right side
    46,012.77x = 878,636,914.30
  5. Step 5: Solve for x
    x = 878,636,914.30/46,012.77
  6. Step 6: Final answer
    x = 19,095.50

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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.