Home / 46,680.34-70,020.38-11,620

Finding the Fourth Proportional to 46,680.34, 70,020.38 and 11,620

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Solution

The fourth proportional to 46,680.34, 70,020.38 and 11,620 is: 17,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,680.34 : 70,020.38 = 11,620 : x
  2. Step 2: Convert to fraction form
    46,680.34/70,020.38 = 11,620/x
  3. Step 3: Cross multiply
    46,680.34x = 70,020.38 × 11,620
  4. Step 4: Simplify right side
    46,680.34x = 813,636,815.60
  5. Step 5: Solve for x
    x = 813,636,815.60/46,680.34
  6. Step 6: Final answer
    x = 17,429.97

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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.