Home / 38,184.14-52,694.40-21,188.45

Finding the Fourth Proportional to 38,184.14, 52,694.40 and 21,188.45

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Solution

The fourth proportional to 38,184.14, 52,694.40 and 21,188.45 is: 29,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184.14 : 52,694.40 = 21,188.45 : x
  2. Step 2: Convert to fraction form
    38,184.14/52,694.40 = 21,188.45/x
  3. Step 3: Cross multiply
    38,184.14x = 52,694.40 × 21,188.45
  4. Step 4: Simplify right side
    38,184.14x = 1,116,512,396.21
  5. Step 5: Solve for x
    x = 1,116,512,396.21/38,184.14
  6. Step 6: Final answer
    x = 29,240.22

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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.