Home / 35,202.20-52,809.30-13,015.68

Finding the Fourth Proportional to 35,202.20, 52,809.30 and 13,015.68

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Solution

The fourth proportional to 35,202.20, 52,809.30 and 13,015.68 is: 19,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,202.20 : 52,809.30 = 13,015.68 : x
  2. Step 2: Convert to fraction form
    35,202.20/52,809.30 = 13,015.68/x
  3. Step 3: Cross multiply
    35,202.20x = 52,809.30 × 13,015.68
  4. Step 4: Simplify right side
    35,202.20x = 687,348,949.82
  5. Step 5: Solve for x
    x = 687,348,949.82/35,202.20
  6. Step 6: Final answer
    x = 19,525.74

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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.