Home / 30,454.11-42,026.36-17,876.43

Finding the Fourth Proportional to 30,454.11, 42,026.36 and 17,876.43

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Solution

The fourth proportional to 30,454.11, 42,026.36 and 17,876.43 is: 24,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.11 : 42,026.36 = 17,876.43 : x
  2. Step 2: Convert to fraction form
    30,454.11/42,026.36 = 17,876.43/x
  3. Step 3: Cross multiply
    30,454.11x = 42,026.36 × 17,876.43
  4. Step 4: Simplify right side
    30,454.11x = 751,281,193.31
  5. Step 5: Solve for x
    x = 751,281,193.31/30,454.11
  6. Step 6: Final answer
    x = 24,669.29

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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.