Home / 39,828.33-54,964.56-21,924.09

Finding the Fourth Proportional to 39,828.33, 54,964.56 and 21,924.09

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Solution

The fourth proportional to 39,828.33, 54,964.56 and 21,924.09 is: 30,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.33 : 54,964.56 = 21,924.09 : x
  2. Step 2: Convert to fraction form
    39,828.33/54,964.56 = 21,924.09/x
  3. Step 3: Cross multiply
    39,828.33x = 54,964.56 × 21,924.09
  4. Step 4: Simplify right side
    39,828.33x = 1,205,047,960.25
  5. Step 5: Solve for x
    x = 1,205,047,960.25/39,828.33
  6. Step 6: Final answer
    x = 30,256.05

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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.