Home / 57,184.17-85,784.64-21,658.56

Finding the Fourth Proportional to 57,184.17, 85,784.64 and 21,658.56

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Solution

The fourth proportional to 57,184.17, 85,784.64 and 21,658.56 is: 32,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,184.17 : 85,784.64 = 21,658.56 : x
  2. Step 2: Convert to fraction form
    57,184.17/85,784.64 = 21,658.56/x
  3. Step 3: Cross multiply
    57,184.17x = 85,784.64 × 21,658.56
  4. Step 4: Simplify right side
    57,184.17x = 1,857,971,772.52
  5. Step 5: Solve for x
    x = 1,857,971,772.52/57,184.17
  6. Step 6: Final answer
    x = 32,491.02

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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.