Home / 49,118.92-67,784.36-28,702.17

Finding the Fourth Proportional to 49,118.92, 67,784.36 and 28,702.17

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Solution

The fourth proportional to 49,118.92, 67,784.36 and 28,702.17 is: 39,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,118.92 : 67,784.36 = 28,702.17 : x
  2. Step 2: Convert to fraction form
    49,118.92/67,784.36 = 28,702.17/x
  3. Step 3: Cross multiply
    49,118.92x = 67,784.36 × 28,702.17
  4. Step 4: Simplify right side
    49,118.92x = 1,945,558,311.56
  5. Step 5: Solve for x
    x = 1,945,558,311.56/49,118.92
  6. Step 6: Final answer
    x = 39,609.14

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1.5x scale

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.