Home / 38,156.57-52,654.60-21,161.51

Finding the Fourth Proportional to 38,156.57, 52,654.60 and 21,161.51

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Solution

The fourth proportional to 38,156.57, 52,654.60 and 21,161.51 is: 29,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.57 : 52,654.60 = 21,161.51 : x
  2. Step 2: Convert to fraction form
    38,156.57/52,654.60 = 21,161.51/x
  3. Step 3: Cross multiply
    38,156.57x = 52,654.60 × 21,161.51
  4. Step 4: Simplify right side
    38,156.57x = 1,114,250,844.45
  5. Step 5: Solve for x
    x = 1,114,250,844.45/38,156.57
  6. Step 6: Final answer
    x = 29,202.07

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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.