Home / 38,201.36-52,718.27-21,434.36

Finding the Fourth Proportional to 38,201.36, 52,718.27 and 21,434.36

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Solution

The fourth proportional to 38,201.36, 52,718.27 and 21,434.36 is: 29,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.36 : 52,718.27 = 21,434.36 : x
  2. Step 2: Convert to fraction form
    38,201.36/52,718.27 = 21,434.36/x
  3. Step 3: Cross multiply
    38,201.36x = 52,718.27 × 21,434.36
  4. Step 4: Simplify right side
    38,201.36x = 1,129,982,006.99
  5. Step 5: Solve for x
    x = 1,129,982,006.99/38,201.36
  6. Step 6: Final answer
    x = 29,579.63

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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.