Home / 39,434.78-59,102.94-19,718.97

Finding the Fourth Proportional to 39,434.78, 59,102.94 and 19,718.97

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Solution

The fourth proportional to 39,434.78, 59,102.94 and 19,718.97 is: 29,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.78 : 59,102.94 = 19,718.97 : x
  2. Step 2: Convert to fraction form
    39,434.78/59,102.94 = 19,718.97/x
  3. Step 3: Cross multiply
    39,434.78x = 59,102.94 × 19,718.97
  4. Step 4: Simplify right side
    39,434.78x = 1,165,449,100.77
  5. Step 5: Solve for x
    x = 1,165,449,100.77/39,434.78
  6. Step 6: Final answer
    x = 29,553.84

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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.