Home / 57,006.78-85,511.91-19,566.32

Finding the Fourth Proportional to 57,006.78, 85,511.91 and 19,566.32

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Solution

The fourth proportional to 57,006.78, 85,511.91 and 19,566.32 is: 29,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.78 : 85,511.91 = 19,566.32 : x
  2. Step 2: Convert to fraction form
    57,006.78/85,511.91 = 19,566.32/x
  3. Step 3: Cross multiply
    57,006.78x = 85,511.91 × 19,566.32
  4. Step 4: Simplify right side
    57,006.78x = 1,673,153,394.87
  5. Step 5: Solve for x
    x = 1,673,153,394.87/57,006.78
  6. Step 6: Final answer
    x = 29,350.08

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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.