Home / 38,308.29-57,460.05-18,331.97

Finding the Fourth Proportional to 38,308.29, 57,460.05 and 18,331.97

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Solution

The fourth proportional to 38,308.29, 57,460.05 and 18,331.97 is: 27,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.29 : 57,460.05 = 18,331.97 : x
  2. Step 2: Convert to fraction form
    38,308.29/57,460.05 = 18,331.97/x
  3. Step 3: Cross multiply
    38,308.29x = 57,460.05 × 18,331.97
  4. Step 4: Simplify right side
    38,308.29x = 1,053,355,948.71
  5. Step 5: Solve for x
    x = 1,053,355,948.71/38,308.29
  6. Step 6: Final answer
    x = 27,496.81

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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.