Home / 39,706.56-54,792.57-21,801.45

Finding the Fourth Proportional to 39,706.56, 54,792.57 and 21,801.45

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Solution

The fourth proportional to 39,706.56, 54,792.57 and 21,801.45 is: 30,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.56 : 54,792.57 = 21,801.45 : x
  2. Step 2: Convert to fraction form
    39,706.56/54,792.57 = 21,801.45/x
  3. Step 3: Cross multiply
    39,706.56x = 54,792.57 × 21,801.45
  4. Step 4: Simplify right side
    39,706.56x = 1,194,557,475.23
  5. Step 5: Solve for x
    x = 1,194,557,475.23/39,706.56
  6. Step 6: Final answer
    x = 30,084.64

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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.