Home / 38,153.92-52,652.54-21,158.37

Finding the Fourth Proportional to 38,153.92, 52,652.54 and 21,158.37

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Solution

The fourth proportional to 38,153.92, 52,652.54 and 21,158.37 is: 29,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.92 : 52,652.54 = 21,158.37 : x
  2. Step 2: Convert to fraction form
    38,153.92/52,652.54 = 21,158.37/x
  3. Step 3: Cross multiply
    38,153.92x = 52,652.54 × 21,158.37
  4. Step 4: Simplify right side
    38,153.92x = 1,114,041,908.54
  5. Step 5: Solve for x
    x = 1,114,041,908.54/38,153.92
  6. Step 6: Final answer
    x = 29,198.62

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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.