Home / 49,379.09-74,077.84-19,799.24

Finding the Fourth Proportional to 49,379.09, 74,077.84 and 19,799.24

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Solution

The fourth proportional to 49,379.09, 74,077.84 and 19,799.24 is: 29,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.09 : 74,077.84 = 19,799.24 : x
  2. Step 2: Convert to fraction form
    49,379.09/74,077.84 = 19,799.24/x
  3. Step 3: Cross multiply
    49,379.09x = 74,077.84 × 19,799.24
  4. Step 4: Simplify right side
    49,379.09x = 1,466,684,587.20
  5. Step 5: Solve for x
    x = 1,466,684,587.20/49,379.09
  6. Step 6: Final answer
    x = 29,702.55

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1.5x scale

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.