Home / 35,005.60-52,511.67-13,940.56

Finding the Fourth Proportional to 35,005.60, 52,511.67 and 13,940.56

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Solution

The fourth proportional to 35,005.60, 52,511.67 and 13,940.56 is: 20,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,005.60 : 52,511.67 = 13,940.56 : x
  2. Step 2: Convert to fraction form
    35,005.60/52,511.67 = 13,940.56/x
  3. Step 3: Cross multiply
    35,005.60x = 52,511.67 × 13,940.56
  4. Step 4: Simplify right side
    35,005.60x = 732,042,086.34
  5. Step 5: Solve for x
    x = 732,042,086.34/35,005.60
  6. Step 6: Final answer
    x = 20,912.14

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1.5x scale

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.