Home / 38,732.06-53,450.26-21,965.06

Finding the Fourth Proportional to 38,732.06, 53,450.26 and 21,965.06

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Solution

The fourth proportional to 38,732.06, 53,450.26 and 21,965.06 is: 30,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.06 : 53,450.26 = 21,965.06 : x
  2. Step 2: Convert to fraction form
    38,732.06/53,450.26 = 21,965.06/x
  3. Step 3: Cross multiply
    38,732.06x = 53,450.26 × 21,965.06
  4. Step 4: Simplify right side
    38,732.06x = 1,174,038,246.63
  5. Step 5: Solve for x
    x = 1,174,038,246.63/38,732.06
  6. Step 6: Final answer
    x = 30,311.79

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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.