Home / 38,554.38-53,203.96-21,558.66

Finding the Fourth Proportional to 38,554.38, 53,203.96 and 21,558.66

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Solution

The fourth proportional to 38,554.38, 53,203.96 and 21,558.66 is: 29,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.38 : 53,203.96 = 21,558.66 : x
  2. Step 2: Convert to fraction form
    38,554.38/53,203.96 = 21,558.66/x
  3. Step 3: Cross multiply
    38,554.38x = 53,203.96 × 21,558.66
  4. Step 4: Simplify right side
    38,554.38x = 1,147,006,084.29
  5. Step 5: Solve for x
    x = 1,147,006,084.29/38,554.38
  6. Step 6: Final answer
    x = 29,750.34

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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.