Home / 38,744.12-53,466.84-21,748.37

Finding the Fourth Proportional to 38,744.12, 53,466.84 and 21,748.37

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Solution

The fourth proportional to 38,744.12, 53,466.84 and 21,748.37 is: 30,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744.12 : 53,466.84 = 21,748.37 : x
  2. Step 2: Convert to fraction form
    38,744.12/53,466.84 = 21,748.37/x
  3. Step 3: Cross multiply
    38,744.12x = 53,466.84 × 21,748.37
  4. Step 4: Simplify right side
    38,744.12x = 1,162,816,351.72
  5. Step 5: Solve for x
    x = 1,162,816,351.72/38,744.12
  6. Step 6: Final answer
    x = 30,012.72

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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.