Home / 39,500.73-54,512.34-21,595.38

Finding the Fourth Proportional to 39,500.73, 54,512.34 and 21,595.38

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Solution

The fourth proportional to 39,500.73, 54,512.34 and 21,595.38 is: 29,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500.73 : 54,512.34 = 21,595.38 : x
  2. Step 2: Convert to fraction form
    39,500.73/54,512.34 = 21,595.38/x
  3. Step 3: Cross multiply
    39,500.73x = 54,512.34 × 21,595.38
  4. Step 4: Simplify right side
    39,500.73x = 1,177,214,696.99
  5. Step 5: Solve for x
    x = 1,177,214,696.99/39,500.73
  6. Step 6: Final answer
    x = 29,802.35

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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.