Home / 38,817.40-58,269.30-21,321.40

Finding the Fourth Proportional to 38,817.40, 58,269.30 and 21,321.40

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Solution

The fourth proportional to 38,817.40, 58,269.30 and 21,321.40 is: 32,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.40 : 58,269.30 = 21,321.40 : x
  2. Step 2: Convert to fraction form
    38,817.40/58,269.30 = 21,321.40/x
  3. Step 3: Cross multiply
    38,817.40x = 58,269.30 × 21,321.40
  4. Step 4: Simplify right side
    38,817.40x = 1,242,383,053.02
  5. Step 5: Solve for x
    x = 1,242,383,053.02/38,817.40
  6. Step 6: Final answer
    x = 32,005.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.