Home / 56,578.72-84,873.36-21,508.96

Finding the Fourth Proportional to 56,578.72, 84,873.36 and 21,508.96

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Solution

The fourth proportional to 56,578.72, 84,873.36 and 21,508.96 is: 32,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.72 : 84,873.36 = 21,508.96 : x
  2. Step 2: Convert to fraction form
    56,578.72/84,873.36 = 21,508.96/x
  3. Step 3: Cross multiply
    56,578.72x = 84,873.36 × 21,508.96
  4. Step 4: Simplify right side
    56,578.72x = 1,825,537,705.31
  5. Step 5: Solve for x
    x = 1,825,537,705.31/56,578.72
  6. Step 6: Final answer
    x = 32,265.45

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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.