Home / 39,733.43-54,833.40-21,828.83

Finding the Fourth Proportional to 39,733.43, 54,833.40 and 21,828.83

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Solution

The fourth proportional to 39,733.43, 54,833.40 and 21,828.83 is: 30,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.43 : 54,833.40 = 21,828.83 : x
  2. Step 2: Convert to fraction form
    39,733.43/54,833.40 = 21,828.83/x
  3. Step 3: Cross multiply
    39,733.43x = 54,833.40 × 21,828.83
  4. Step 4: Simplify right side
    39,733.43x = 1,196,948,692.76
  5. Step 5: Solve for x
    x = 1,196,948,692.76/39,733.43
  6. Step 6: Final answer
    x = 30,124.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.