Home / 39,706.41-54,795.63-21,801.26

Finding the Fourth Proportional to 39,706.41, 54,795.63 and 21,801.26

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Solution

The fourth proportional to 39,706.41, 54,795.63 and 21,801.26 is: 30,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.41 : 54,795.63 = 21,801.26 : x
  2. Step 2: Convert to fraction form
    39,706.41/54,795.63 = 21,801.26/x
  3. Step 3: Cross multiply
    39,706.41x = 54,795.63 × 21,801.26
  4. Step 4: Simplify right side
    39,706.41x = 1,194,613,656.77
  5. Step 5: Solve for x
    x = 1,194,613,656.77/39,706.41
  6. Step 6: Final answer
    x = 30,086.17

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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.