Home / 33,173.55-45,776.49-19,742.64

Finding the Fourth Proportional to 33,173.55, 45,776.49 and 19,742.64

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Solution

The fourth proportional to 33,173.55, 45,776.49 and 19,742.64 is: 27,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.55 : 45,776.49 = 19,742.64 : x
  2. Step 2: Convert to fraction form
    33,173.55/45,776.49 = 19,742.64/x
  3. Step 3: Cross multiply
    33,173.55x = 45,776.49 × 19,742.64
  4. Step 4: Simplify right side
    33,173.55x = 903,748,516.84
  5. Step 5: Solve for x
    x = 903,748,516.84/33,173.55
  6. Step 6: Final answer
    x = 27,243.05

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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.