Home / 56,556.89-84,821.33-19,116.14

Finding the Fourth Proportional to 56,556.89, 84,821.33 and 19,116.14

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Solution

The fourth proportional to 56,556.89, 84,821.33 and 19,116.14 is: 28,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,556.89 : 84,821.33 = 19,116.14 : x
  2. Step 2: Convert to fraction form
    56,556.89/84,821.33 = 19,116.14/x
  3. Step 3: Cross multiply
    56,556.89x = 84,821.33 × 19,116.14
  4. Step 4: Simplify right side
    56,556.89x = 1,621,455,899.58
  5. Step 5: Solve for x
    x = 1,621,455,899.58/56,556.89
  6. Step 6: Final answer
    x = 28,669.47

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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.