Home / 32,689.38-49,038.66-12,969.96

Finding the Fourth Proportional to 32,689.38, 49,038.66 and 12,969.96

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Solution

The fourth proportional to 32,689.38, 49,038.66 and 12,969.96 is: 19,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.38 : 49,038.66 = 12,969.96 : x
  2. Step 2: Convert to fraction form
    32,689.38/49,038.66 = 12,969.96/x
  3. Step 3: Cross multiply
    32,689.38x = 49,038.66 × 12,969.96
  4. Step 4: Simplify right side
    32,689.38x = 636,029,458.65
  5. Step 5: Solve for x
    x = 636,029,458.65/32,689.38
  6. Step 6: Final answer
    x = 19,456.76

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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.