Home / 33,127.19-45,715.88-18,019.89

Finding the Fourth Proportional to 33,127.19, 45,715.88 and 18,019.89

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Solution

The fourth proportional to 33,127.19, 45,715.88 and 18,019.89 is: 24,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.19 : 45,715.88 = 18,019.89 : x
  2. Step 2: Convert to fraction form
    33,127.19/45,715.88 = 18,019.89/x
  3. Step 3: Cross multiply
    33,127.19x = 45,715.88 × 18,019.89
  4. Step 4: Simplify right side
    33,127.19x = 823,795,173.90
  5. Step 5: Solve for x
    x = 823,795,173.90/33,127.19
  6. Step 6: Final answer
    x = 24,867.65

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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.