Home / 39,988.37-55,183.32-22,082.93

Finding the Fourth Proportional to 39,988.37, 55,183.32 and 22,082.93

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Solution

The fourth proportional to 39,988.37, 55,183.32 and 22,082.93 is: 30,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.37 : 55,183.32 = 22,082.93 : x
  2. Step 2: Convert to fraction form
    39,988.37/55,183.32 = 22,082.93/x
  3. Step 3: Cross multiply
    39,988.37x = 55,183.32 × 22,082.93
  4. Step 4: Simplify right side
    39,988.37x = 1,218,609,392.73
  5. Step 5: Solve for x
    x = 1,218,609,392.73/39,988.37
  6. Step 6: Final answer
    x = 30,474.10

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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.