Home / 38,341.28-52,910.94-21,574.28

Finding the Fourth Proportional to 38,341.28, 52,910.94 and 21,574.28

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Solution

The fourth proportional to 38,341.28, 52,910.94 and 21,574.28 is: 29,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.28 : 52,910.94 = 21,574.28 : x
  2. Step 2: Convert to fraction form
    38,341.28/52,910.94 = 21,574.28/x
  3. Step 3: Cross multiply
    38,341.28x = 52,910.94 × 21,574.28
  4. Step 4: Simplify right side
    38,341.28x = 1,141,515,434.62
  5. Step 5: Solve for x
    x = 1,141,515,434.62/38,341.28
  6. Step 6: Final answer
    x = 29,772.49

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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.