Home / 65,723.78-98,602.27-18,338.84

Finding the Fourth Proportional to 65,723.78, 98,602.27 and 18,338.84

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Solution

The fourth proportional to 65,723.78, 98,602.27 and 18,338.84 is: 27,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.78 : 98,602.27 = 18,338.84 : x
  2. Step 2: Convert to fraction form
    65,723.78/98,602.27 = 18,338.84/x
  3. Step 3: Cross multiply
    65,723.78x = 98,602.27 × 18,338.84
  4. Step 4: Simplify right side
    65,723.78x = 1,808,251,198.68
  5. Step 5: Solve for x
    x = 1,808,251,198.68/65,723.78
  6. Step 6: Final answer
    x = 27,512.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.