Home / 38,954.72-53,757.34-21,049.67

Finding the Fourth Proportional to 38,954.72, 53,757.34 and 21,049.67

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Solution

The fourth proportional to 38,954.72, 53,757.34 and 21,049.67 is: 29,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.72 : 53,757.34 = 21,049.67 : x
  2. Step 2: Convert to fraction form
    38,954.72/53,757.34 = 21,049.67/x
  3. Step 3: Cross multiply
    38,954.72x = 53,757.34 × 21,049.67
  4. Step 4: Simplify right side
    38,954.72x = 1,131,574,348.85
  5. Step 5: Solve for x
    x = 1,131,574,348.85/38,954.72
  6. Step 6: Final answer
    x = 29,048.45

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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.