Home / 57,511.38-86,267.06-18,071.94

Finding the Fourth Proportional to 57,511.38, 86,267.06 and 18,071.94

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Solution

The fourth proportional to 57,511.38, 86,267.06 and 18,071.94 is: 27,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,511.38 : 86,267.06 = 18,071.94 : x
  2. Step 2: Convert to fraction form
    57,511.38/86,267.06 = 18,071.94/x
  3. Step 3: Cross multiply
    57,511.38x = 86,267.06 × 18,071.94
  4. Step 4: Simplify right side
    57,511.38x = 1,559,013,132.30
  5. Step 5: Solve for x
    x = 1,559,013,132.30/57,511.38
  6. Step 6: Final answer
    x = 27,107.91

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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.