Home / 38,869.08-58,291.32-25,791

Finding the Fourth Proportional to 38,869.08, 58,291.32 and 25,791

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Solution

The fourth proportional to 38,869.08, 58,291.32 and 25,791 is: 38,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869.08 : 58,291.32 = 25,791 : x
  2. Step 2: Convert to fraction form
    38,869.08/58,291.32 = 25,791/x
  3. Step 3: Cross multiply
    38,869.08x = 58,291.32 × 25,791
  4. Step 4: Simplify right side
    38,869.08x = 1,503,391,434.12
  5. Step 5: Solve for x
    x = 1,503,391,434.12/38,869.08
  6. Step 6: Final answer
    x = 38,678.34

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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.