Home / 38,169.34-52,674.01-21,174.70

Finding the Fourth Proportional to 38,169.34, 52,674.01 and 21,174.70

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Solution

The fourth proportional to 38,169.34, 52,674.01 and 21,174.70 is: 29,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.34 : 52,674.01 = 21,174.70 : x
  2. Step 2: Convert to fraction form
    38,169.34/52,674.01 = 21,174.70/x
  3. Step 3: Cross multiply
    38,169.34x = 52,674.01 × 21,174.70
  4. Step 4: Simplify right side
    38,169.34x = 1,115,355,990.30
  5. Step 5: Solve for x
    x = 1,115,355,990.30/38,169.34
  6. Step 6: Final answer
    x = 29,221.25

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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.