Home / 39,516.69-54,534.33-21,611.69

Finding the Fourth Proportional to 39,516.69, 54,534.33 and 21,611.69

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Solution

The fourth proportional to 39,516.69, 54,534.33 and 21,611.69 is: 29,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.69 : 54,534.33 = 21,611.69 : x
  2. Step 2: Convert to fraction form
    39,516.69/54,534.33 = 21,611.69/x
  3. Step 3: Cross multiply
    39,516.69x = 54,534.33 × 21,611.69
  4. Step 4: Simplify right side
    39,516.69x = 1,178,578,761.65
  5. Step 5: Solve for x
    x = 1,178,578,761.65/39,516.69
  6. Step 6: Final answer
    x = 29,824.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.