Home / 30,660.45-45,996.38-10,669.11

Finding the Fourth Proportional to 30,660.45, 45,996.38 and 10,669.11

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Solution

The fourth proportional to 30,660.45, 45,996.38 and 10,669.11 is: 16,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.45 : 45,996.38 = 10,669.11 : x
  2. Step 2: Convert to fraction form
    30,660.45/45,996.38 = 10,669.11/x
  3. Step 3: Cross multiply
    30,660.45x = 45,996.38 × 10,669.11
  4. Step 4: Simplify right side
    30,660.45x = 490,740,437.82
  5. Step 5: Solve for x
    x = 490,740,437.82/30,660.45
  6. Step 6: Final answer
    x = 16,005.65

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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.