Home / 38,314.12-52,873.14-21,546.76

Finding the Fourth Proportional to 38,314.12, 52,873.14 and 21,546.76

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Solution

The fourth proportional to 38,314.12, 52,873.14 and 21,546.76 is: 29,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.12 : 52,873.14 = 21,546.76 : x
  2. Step 2: Convert to fraction form
    38,314.12/52,873.14 = 21,546.76/x
  3. Step 3: Cross multiply
    38,314.12x = 52,873.14 × 21,546.76
  4. Step 4: Simplify right side
    38,314.12x = 1,139,244,858.03
  5. Step 5: Solve for x
    x = 1,139,244,858.03/38,314.12
  6. Step 6: Final answer
    x = 29,734.33

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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.