Home / 49,686.42-74,513.82-16,400.28

Finding the Fourth Proportional to 49,686.42, 74,513.82 and 16,400.28

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Solution

The fourth proportional to 49,686.42, 74,513.82 and 16,400.28 is: 24,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.42 : 74,513.82 = 16,400.28 : x
  2. Step 2: Convert to fraction form
    49,686.42/74,513.82 = 16,400.28/x
  3. Step 3: Cross multiply
    49,686.42x = 74,513.82 × 16,400.28
  4. Step 4: Simplify right side
    49,686.42x = 1,222,047,511.87
  5. Step 5: Solve for x
    x = 1,222,047,511.87/49,686.42
  6. Step 6: Final answer
    x = 24,595.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.