Home / 33,009.24-45,555.17-18,861.78

Finding the Fourth Proportional to 33,009.24, 45,555.17 and 18,861.78

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Solution

The fourth proportional to 33,009.24, 45,555.17 and 18,861.78 is: 26,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.24 : 45,555.17 = 18,861.78 : x
  2. Step 2: Convert to fraction form
    33,009.24/45,555.17 = 18,861.78/x
  3. Step 3: Cross multiply
    33,009.24x = 45,555.17 × 18,861.78
  4. Step 4: Simplify right side
    33,009.24x = 859,251,594.40
  5. Step 5: Solve for x
    x = 859,251,594.40/33,009.24
  6. Step 6: Final answer
    x = 26,030.64

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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.