Home / 49,413.21-74,123.05-19,827.21

Finding the Fourth Proportional to 49,413.21, 74,123.05 and 19,827.21

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Solution

The fourth proportional to 49,413.21, 74,123.05 and 19,827.21 is: 29,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,413.21 : 74,123.05 = 19,827.21 : x
  2. Step 2: Convert to fraction form
    49,413.21/74,123.05 = 19,827.21/x
  3. Step 3: Cross multiply
    49,413.21x = 74,123.05 × 19,827.21
  4. Step 4: Simplify right side
    49,413.21x = 1,469,652,918.35
  5. Step 5: Solve for x
    x = 1,469,652,918.35/49,413.21
  6. Step 6: Final answer
    x = 29,742.10

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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.