Home / 54,657.20-82,005.60-19,123.76

Finding the Fourth Proportional to 54,657.20, 82,005.60 and 19,123.76

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Solution

The fourth proportional to 54,657.20, 82,005.60 and 19,123.76 is: 28,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.20 : 82,005.60 = 19,123.76 : x
  2. Step 2: Convert to fraction form
    54,657.20/82,005.60 = 19,123.76/x
  3. Step 3: Cross multiply
    54,657.20x = 82,005.60 × 19,123.76
  4. Step 4: Simplify right side
    54,657.20x = 1,568,255,413.06
  5. Step 5: Solve for x
    x = 1,568,255,413.06/54,657.20
  6. Step 6: Final answer
    x = 28,692.57

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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.