Home / 38,154.40-52,653.07-21,161.24

Finding the Fourth Proportional to 38,154.40, 52,653.07 and 21,161.24

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Solution

The fourth proportional to 38,154.40, 52,653.07 and 21,161.24 is: 29,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.40 : 52,653.07 = 21,161.24 : x
  2. Step 2: Convert to fraction form
    38,154.40/52,653.07 = 21,161.24/x
  3. Step 3: Cross multiply
    38,154.40x = 52,653.07 × 21,161.24
  4. Step 4: Simplify right side
    38,154.40x = 1,114,204,251.01
  5. Step 5: Solve for x
    x = 1,114,204,251.01/38,154.40
  6. Step 6: Final answer
    x = 29,202.51

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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.