Home / 45,843.69-63,285.01-28,872.87

Finding the Fourth Proportional to 45,843.69, 63,285.01 and 28,872.87

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Solution

The fourth proportional to 45,843.69, 63,285.01 and 28,872.87 is: 39,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.69 : 63,285.01 = 28,872.87 : x
  2. Step 2: Convert to fraction form
    45,843.69/63,285.01 = 28,872.87/x
  3. Step 3: Cross multiply
    45,843.69x = 63,285.01 × 28,872.87
  4. Step 4: Simplify right side
    45,843.69x = 1,827,219,866.68
  5. Step 5: Solve for x
    x = 1,827,219,866.68/45,843.69
  6. Step 6: Final answer
    x = 39,857.61

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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.