Home / 39,265.20-58,878.09-18,187.11

Finding the Fourth Proportional to 39,265.20, 58,878.09 and 18,187.11

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Solution

The fourth proportional to 39,265.20, 58,878.09 and 18,187.11 is: 27,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,265.20 : 58,878.09 = 18,187.11 : x
  2. Step 2: Convert to fraction form
    39,265.20/58,878.09 = 18,187.11/x
  3. Step 3: Cross multiply
    39,265.20x = 58,878.09 × 18,187.11
  4. Step 4: Simplify right side
    39,265.20x = 1,070,822,299.42
  5. Step 5: Solve for x
    x = 1,070,822,299.42/39,265.20
  6. Step 6: Final answer
    x = 27,271.54

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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.