Home / 57,295.80-85,923.14-19,845.81

Finding the Fourth Proportional to 57,295.80, 85,923.14 and 19,845.81

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Solution

The fourth proportional to 57,295.80, 85,923.14 and 19,845.81 is: 29,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.80 : 85,923.14 = 19,845.81 : x
  2. Step 2: Convert to fraction form
    57,295.80/85,923.14 = 19,845.81/x
  3. Step 3: Cross multiply
    57,295.80x = 85,923.14 × 19,845.81
  4. Step 4: Simplify right side
    57,295.80x = 1,705,214,211.81
  5. Step 5: Solve for x
    x = 1,705,214,211.81/57,295.80
  6. Step 6: Final answer
    x = 29,761.59

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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.