Home / 39,832.48-54,967.80-21,926.80

Finding the Fourth Proportional to 39,832.48, 54,967.80 and 21,926.80

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Solution

The fourth proportional to 39,832.48, 54,967.80 and 21,926.80 is: 30,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.48 : 54,967.80 = 21,926.80 : x
  2. Step 2: Convert to fraction form
    39,832.48/54,967.80 = 21,926.80/x
  3. Step 3: Cross multiply
    39,832.48x = 54,967.80 × 21,926.80
  4. Step 4: Simplify right side
    39,832.48x = 1,205,267,957.04
  5. Step 5: Solve for x
    x = 1,205,267,957.04/39,832.48
  6. Step 6: Final answer
    x = 30,258.42

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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.