Home / 49,694.62-68,580.40-28,477.98

Finding the Fourth Proportional to 49,694.62, 68,580.40 and 28,477.98

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Solution

The fourth proportional to 49,694.62, 68,580.40 and 28,477.98 is: 39,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,694.62 : 68,580.40 = 28,477.98 : x
  2. Step 2: Convert to fraction form
    49,694.62/68,580.40 = 28,477.98/x
  3. Step 3: Cross multiply
    49,694.62x = 68,580.40 × 28,477.98
  4. Step 4: Simplify right side
    49,694.62x = 1,953,031,259.59
  5. Step 5: Solve for x
    x = 1,953,031,259.59/49,694.62
  6. Step 6: Final answer
    x = 39,300.66

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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.