Home / 39,913.16-55,082.49-22,011.98

Finding the Fourth Proportional to 39,913.16, 55,082.49 and 22,011.98

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Solution

The fourth proportional to 39,913.16, 55,082.49 and 22,011.98 is: 30,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.16 : 55,082.49 = 22,011.98 : x
  2. Step 2: Convert to fraction form
    39,913.16/55,082.49 = 22,011.98/x
  3. Step 3: Cross multiply
    39,913.16x = 55,082.49 × 22,011.98
  4. Step 4: Simplify right side
    39,913.16x = 1,212,474,668.23
  5. Step 5: Solve for x
    x = 1,212,474,668.23/39,913.16
  6. Step 6: Final answer
    x = 30,377.82

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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.