Home / 38,174.25-52,685.33-21,407.25

Finding the Fourth Proportional to 38,174.25, 52,685.33 and 21,407.25

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Solution

The fourth proportional to 38,174.25, 52,685.33 and 21,407.25 is: 29,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.25 : 52,685.33 = 21,407.25 : x
  2. Step 2: Convert to fraction form
    38,174.25/52,685.33 = 21,407.25/x
  3. Step 3: Cross multiply
    38,174.25x = 52,685.33 × 21,407.25
  4. Step 4: Simplify right side
    38,174.25x = 1,127,847,923.61
  5. Step 5: Solve for x
    x = 1,127,847,923.61/38,174.25
  6. Step 6: Final answer
    x = 29,544.73

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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.