Home / 57,039.96-85,568.40-19,609.68

Finding the Fourth Proportional to 57,039.96, 85,568.40 and 19,609.68

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Solution

The fourth proportional to 57,039.96, 85,568.40 and 19,609.68 is: 29,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.96 : 85,568.40 = 19,609.68 : x
  2. Step 2: Convert to fraction form
    57,039.96/85,568.40 = 19,609.68/x
  3. Step 3: Cross multiply
    57,039.96x = 85,568.40 × 19,609.68
  4. Step 4: Simplify right side
    57,039.96x = 1,677,968,942.11
  5. Step 5: Solve for x
    x = 1,677,968,942.11/57,039.96
  6. Step 6: Final answer
    x = 29,417.43

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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.