Home / 38,178.37-52,686.45-21,183.69

Finding the Fourth Proportional to 38,178.37, 52,686.45 and 21,183.69

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Solution

The fourth proportional to 38,178.37, 52,686.45 and 21,183.69 is: 29,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.37 : 52,686.45 = 21,183.69 : x
  2. Step 2: Convert to fraction form
    38,178.37/52,686.45 = 21,183.69/x
  3. Step 3: Cross multiply
    38,178.37x = 52,686.45 × 21,183.69
  4. Step 4: Simplify right side
    38,178.37x = 1,116,093,621.57
  5. Step 5: Solve for x
    x = 1,116,093,621.57/38,178.37
  6. Step 6: Final answer
    x = 29,233.66

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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.