Home / 57,219.88-85,813.02-22,151.16

Finding the Fourth Proportional to 57,219.88, 85,813.02 and 22,151.16

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Solution

The fourth proportional to 57,219.88, 85,813.02 and 22,151.16 is: 33,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.88 : 85,813.02 = 22,151.16 : x
  2. Step 2: Convert to fraction form
    57,219.88/85,813.02 = 22,151.16/x
  3. Step 3: Cross multiply
    57,219.88x = 85,813.02 × 22,151.16
  4. Step 4: Simplify right side
    57,219.88x = 1,900,857,936.10
  5. Step 5: Solve for x
    x = 1,900,857,936.10/57,219.88
  6. Step 6: Final answer
    x = 33,220.24

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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.