Home / 35,179.30-52,756.80-10,212.58

Finding the Fourth Proportional to 35,179.30, 52,756.80 and 10,212.58

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Solution

The fourth proportional to 35,179.30, 52,756.80 and 10,212.58 is: 15,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179.30 : 52,756.80 = 10,212.58 : x
  2. Step 2: Convert to fraction form
    35,179.30/52,756.80 = 10,212.58/x
  3. Step 3: Cross multiply
    35,179.30x = 52,756.80 × 10,212.58
  4. Step 4: Simplify right side
    35,179.30x = 538,783,040.54
  5. Step 5: Solve for x
    x = 538,783,040.54/35,179.30
  6. Step 6: Final answer
    x = 15,315.34

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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.