Home / 35,285.76-52,930.08-8,991.36

Finding the Fourth Proportional to 35,285.76, 52,930.08 and 8,991.36

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Solution

The fourth proportional to 35,285.76, 52,930.08 and 8,991.36 is: 13,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.76 : 52,930.08 = 8,991.36 : x
  2. Step 2: Convert to fraction form
    35,285.76/52,930.08 = 8,991.36/x
  3. Step 3: Cross multiply
    35,285.76x = 52,930.08 × 8,991.36
  4. Step 4: Simplify right side
    35,285.76x = 475,913,404.11
  5. Step 5: Solve for x
    x = 475,913,404.11/35,285.76
  6. Step 6: Final answer
    x = 13,487.41

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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.