Home / 39,098.45-53,955.92-21,193.45

Finding the Fourth Proportional to 39,098.45, 53,955.92 and 21,193.45

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Solution

The fourth proportional to 39,098.45, 53,955.92 and 21,193.45 is: 29,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.45 : 53,955.92 = 21,193.45 : x
  2. Step 2: Convert to fraction form
    39,098.45/53,955.92 = 21,193.45/x
  3. Step 3: Cross multiply
    39,098.45x = 53,955.92 × 21,193.45
  4. Step 4: Simplify right side
    39,098.45x = 1,143,512,092.72
  5. Step 5: Solve for x
    x = 1,143,512,092.72/39,098.45
  6. Step 6: Final answer
    x = 29,246.99

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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.