Home / 35,196.20-52,765.10-13,005.40

Finding the Fourth Proportional to 35,196.20, 52,765.10 and 13,005.40

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Solution

The fourth proportional to 35,196.20, 52,765.10 and 13,005.40 is: 19,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,196.20 : 52,765.10 = 13,005.40 : x
  2. Step 2: Convert to fraction form
    35,196.20/52,765.10 = 13,005.40/x
  3. Step 3: Cross multiply
    35,196.20x = 52,765.10 × 13,005.40
  4. Step 4: Simplify right side
    35,196.20x = 686,231,231.54
  5. Step 5: Solve for x
    x = 686,231,231.54/35,196.20
  6. Step 6: Final answer
    x = 19,497.31

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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.