Home / 57,021.17-85,535.27-21,960.86

Finding the Fourth Proportional to 57,021.17, 85,535.27 and 21,960.86

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Solution

The fourth proportional to 57,021.17, 85,535.27 and 21,960.86 is: 32,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.17 : 85,535.27 = 21,960.86 : x
  2. Step 2: Convert to fraction form
    57,021.17/85,535.27 = 21,960.86/x
  3. Step 3: Cross multiply
    57,021.17x = 85,535.27 × 21,960.86
  4. Step 4: Simplify right side
    57,021.17x = 1,878,427,552.05
  5. Step 5: Solve for x
    x = 1,878,427,552.05/57,021.17
  6. Step 6: Final answer
    x = 32,942.64

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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.