Home / 57,913.84-86,877.24-18,461.80

Finding the Fourth Proportional to 57,913.84, 86,877.24 and 18,461.80

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Solution

The fourth proportional to 57,913.84, 86,877.24 and 18,461.80 is: 27,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,913.84 : 86,877.24 = 18,461.80 : x
  2. Step 2: Convert to fraction form
    57,913.84/86,877.24 = 18,461.80/x
  3. Step 3: Cross multiply
    57,913.84x = 86,877.24 × 18,461.80
  4. Step 4: Simplify right side
    57,913.84x = 1,603,910,372.64
  5. Step 5: Solve for x
    x = 1,603,910,372.64/57,913.84
  6. Step 6: Final answer
    x = 27,694.77

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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.