Home / 38,379.02-52,958.94-21,379.98

Finding the Fourth Proportional to 38,379.02, 52,958.94 and 21,379.98

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Solution

The fourth proportional to 38,379.02, 52,958.94 and 21,379.98 is: 29,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.02 : 52,958.94 = 21,379.98 : x
  2. Step 2: Convert to fraction form
    38,379.02/52,958.94 = 21,379.98/x
  3. Step 3: Cross multiply
    38,379.02x = 52,958.94 × 21,379.98
  4. Step 4: Simplify right side
    38,379.02x = 1,132,261,078.02
  5. Step 5: Solve for x
    x = 1,132,261,078.02/38,379.02
  6. Step 6: Final answer
    x = 29,502.09

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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.