Home / 39,706.08-54,794.01-21,800.93

Finding the Fourth Proportional to 39,706.08, 54,794.01 and 21,800.93

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Solution

The fourth proportional to 39,706.08, 54,794.01 and 21,800.93 is: 30,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.08 : 54,794.01 = 21,800.93 : x
  2. Step 2: Convert to fraction form
    39,706.08/54,794.01 = 21,800.93/x
  3. Step 3: Cross multiply
    39,706.08x = 54,794.01 × 21,800.93
  4. Step 4: Simplify right side
    39,706.08x = 1,194,560,239.44
  5. Step 5: Solve for x
    x = 1,194,560,239.44/39,706.08
  6. Step 6: Final answer
    x = 30,085.07

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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.