Home / 38,374.38-52,958.48-21,379.77

Finding the Fourth Proportional to 38,374.38, 52,958.48 and 21,379.77

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Solution

The fourth proportional to 38,374.38, 52,958.48 and 21,379.77 is: 29,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.38 : 52,958.48 = 21,379.77 : x
  2. Step 2: Convert to fraction form
    38,374.38/52,958.48 = 21,379.77/x
  3. Step 3: Cross multiply
    38,374.38x = 52,958.48 × 21,379.77
  4. Step 4: Simplify right side
    38,374.38x = 1,132,240,015.05
  5. Step 5: Solve for x
    x = 1,132,240,015.05/38,374.38
  6. Step 6: Final answer
    x = 29,505.10

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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.