Home / 49,031.88-67,678.49-28,895.25

Finding the Fourth Proportional to 49,031.88, 67,678.49 and 28,895.25

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Solution

The fourth proportional to 49,031.88, 67,678.49 and 28,895.25 is: 39,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,031.88 : 67,678.49 = 28,895.25 : x
  2. Step 2: Convert to fraction form
    49,031.88/67,678.49 = 28,895.25/x
  3. Step 3: Cross multiply
    49,031.88x = 67,678.49 × 28,895.25
  4. Step 4: Simplify right side
    49,031.88x = 1,955,586,743.70
  5. Step 5: Solve for x
    x = 1,955,586,743.70/49,031.88
  6. Step 6: Final answer
    x = 39,883.98

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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.