Home / 45,456.96-68,181.12-15,869.28

Finding the Fourth Proportional to 45,456.96, 68,181.12 and 15,869.28

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Solution

The fourth proportional to 45,456.96, 68,181.12 and 15,869.28 is: 23,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.96 : 68,181.12 = 15,869.28 : x
  2. Step 2: Convert to fraction form
    45,456.96/68,181.12 = 15,869.28/x
  3. Step 3: Cross multiply
    45,456.96x = 68,181.12 × 15,869.28
  4. Step 4: Simplify right side
    45,456.96x = 1,081,985,283.99
  5. Step 5: Solve for x
    x = 1,081,985,283.99/45,456.96
  6. Step 6: Final answer
    x = 23,802.41

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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.