Home / 49,865.80-74,702.70-39,279.80

Finding the Fourth Proportional to 49,865.80, 74,702.70 and 39,279.80

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Solution

The fourth proportional to 49,865.80, 74,702.70 and 39,279.80 is: 58,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.80 : 74,702.70 = 39,279.80 : x
  2. Step 2: Convert to fraction form
    49,865.80/74,702.70 = 39,279.80/x
  3. Step 3: Cross multiply
    49,865.80x = 74,702.70 × 39,279.80
  4. Step 4: Simplify right side
    49,865.80x = 2,934,307,115.46
  5. Step 5: Solve for x
    x = 2,934,307,115.46/49,865.80
  6. Step 6: Final answer
    x = 58,844.08

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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.