Home / 57,021.70-85,497.01-21,953.15

Finding the Fourth Proportional to 57,021.70, 85,497.01 and 21,953.15

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Solution

The fourth proportional to 57,021.70, 85,497.01 and 21,953.15 is: 32,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.70 : 85,497.01 = 21,953.15 : x
  2. Step 2: Convert to fraction form
    57,021.70/85,497.01 = 21,953.15/x
  3. Step 3: Cross multiply
    57,021.70x = 85,497.01 × 21,953.15
  4. Step 4: Simplify right side
    57,021.70x = 1,876,928,685.08
  5. Step 5: Solve for x
    x = 1,876,928,685.08/57,021.70
  6. Step 6: Final answer
    x = 32,916.04

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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.