Home / 38,144.16-57,203.28-19,416.96

Finding the Fourth Proportional to 38,144.16, 57,203.28 and 19,416.96

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Solution

The fourth proportional to 38,144.16, 57,203.28 and 19,416.96 is: 29,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.16 : 57,203.28 = 19,416.96 : x
  2. Step 2: Convert to fraction form
    38,144.16/57,203.28 = 19,416.96/x
  3. Step 3: Cross multiply
    38,144.16x = 57,203.28 × 19,416.96
  4. Step 4: Simplify right side
    38,144.16x = 1,110,713,799.63
  5. Step 5: Solve for x
    x = 1,110,713,799.63/38,144.16
  6. Step 6: Final answer
    x = 29,118.84

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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.