Home / 33,139.33-45,733.50-18,994.90

Finding the Fourth Proportional to 33,139.33, 45,733.50 and 18,994.90

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Solution

The fourth proportional to 33,139.33, 45,733.50 and 18,994.90 is: 26,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.33 : 45,733.50 = 18,994.90 : x
  2. Step 2: Convert to fraction form
    33,139.33/45,733.50 = 18,994.90/x
  3. Step 3: Cross multiply
    33,139.33x = 45,733.50 × 18,994.90
  4. Step 4: Simplify right side
    33,139.33x = 868,703,259.15
  5. Step 5: Solve for x
    x = 868,703,259.15/33,139.33
  6. Step 6: Final answer
    x = 26,213.66

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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.