Home / 39,554.33-54,585.09-21,650.09

Finding the Fourth Proportional to 39,554.33, 54,585.09 and 21,650.09

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Solution

The fourth proportional to 39,554.33, 54,585.09 and 21,650.09 is: 29,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.33 : 54,585.09 = 21,650.09 : x
  2. Step 2: Convert to fraction form
    39,554.33/54,585.09 = 21,650.09/x
  3. Step 3: Cross multiply
    39,554.33x = 54,585.09 × 21,650.09
  4. Step 4: Simplify right side
    39,554.33x = 1,181,771,838.23
  5. Step 5: Solve for x
    x = 1,181,771,838.23/39,554.33
  6. Step 6: Final answer
    x = 29,877.18

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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.