Home / 33,095.68-45,653.70-20,973.90

Finding the Fourth Proportional to 33,095.68, 45,653.70 and 20,973.90

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Solution

The fourth proportional to 33,095.68, 45,653.70 and 20,973.90 is: 28,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,095.68 : 45,653.70 = 20,973.90 : x
  2. Step 2: Convert to fraction form
    33,095.68/45,653.70 = 20,973.90/x
  3. Step 3: Cross multiply
    33,095.68x = 45,653.70 × 20,973.90
  4. Step 4: Simplify right side
    33,095.68x = 957,536,138.43
  5. Step 5: Solve for x
    x = 957,536,138.43/33,095.68
  6. Step 6: Final answer
    x = 28,932.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.