Home / 57,015.09-85,500.77-19,568.18

Finding the Fourth Proportional to 57,015.09, 85,500.77 and 19,568.18

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Solution

The fourth proportional to 57,015.09, 85,500.77 and 19,568.18 is: 29,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.09 : 85,500.77 = 19,568.18 : x
  2. Step 2: Convert to fraction form
    57,015.09/85,500.77 = 19,568.18/x
  3. Step 3: Cross multiply
    57,015.09x = 85,500.77 × 19,568.18
  4. Step 4: Simplify right side
    57,015.09x = 1,673,094,573.41
  5. Step 5: Solve for x
    x = 1,673,094,573.41/57,015.09
  6. Step 6: Final answer
    x = 29,344.77

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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.