Home / 38,398.78-52,991.40-22,483.90

Finding the Fourth Proportional to 38,398.78, 52,991.40 and 22,483.90

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Solution

The fourth proportional to 38,398.78, 52,991.40 and 22,483.90 is: 31,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.78 : 52,991.40 = 22,483.90 : x
  2. Step 2: Convert to fraction form
    38,398.78/52,991.40 = 22,483.90/x
  3. Step 3: Cross multiply
    38,398.78x = 52,991.40 × 22,483.90
  4. Step 4: Simplify right side
    38,398.78x = 1,191,453,338.46
  5. Step 5: Solve for x
    x = 1,191,453,338.46/38,398.78
  6. Step 6: Final answer
    x = 31,028.42

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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.