Home / 57,212.28-85,804.74-19,773.68

Finding the Fourth Proportional to 57,212.28, 85,804.74 and 19,773.68

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Solution

The fourth proportional to 57,212.28, 85,804.74 and 19,773.68 is: 29,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.28 : 85,804.74 = 19,773.68 : x
  2. Step 2: Convert to fraction form
    57,212.28/85,804.74 = 19,773.68/x
  3. Step 3: Cross multiply
    57,212.28x = 85,804.74 × 19,773.68
  4. Step 4: Simplify right side
    57,212.28x = 1,696,675,042.22
  5. Step 5: Solve for x
    x = 1,696,675,042.22/57,212.28
  6. Step 6: Final answer
    x = 29,655.78

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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.