Home / 30,582.90-45,887.31-11,876.22

Finding the Fourth Proportional to 30,582.90, 45,887.31 and 11,876.22

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Solution

The fourth proportional to 30,582.90, 45,887.31 and 11,876.22 is: 17,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.90 : 45,887.31 = 11,876.22 : x
  2. Step 2: Convert to fraction form
    30,582.90/45,887.31 = 11,876.22/x
  3. Step 3: Cross multiply
    30,582.90x = 45,887.31 × 11,876.22
  4. Step 4: Simplify right side
    30,582.90x = 544,967,788.77
  5. Step 5: Solve for x
    x = 544,967,788.77/30,582.90
  6. Step 6: Final answer
    x = 17,819.36

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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.