Home / 65,716.55-98,574.83-18,331.55

Finding the Fourth Proportional to 65,716.55, 98,574.83 and 18,331.55

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Solution

The fourth proportional to 65,716.55, 98,574.83 and 18,331.55 is: 27,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.55 : 98,574.83 = 18,331.55 : x
  2. Step 2: Convert to fraction form
    65,716.55/98,574.83 = 18,331.55/x
  3. Step 3: Cross multiply
    65,716.55x = 98,574.83 × 18,331.55
  4. Step 4: Simplify right side
    65,716.55x = 1,807,029,333.23
  5. Step 5: Solve for x
    x = 1,807,029,333.23/65,716.55
  6. Step 6: Final answer
    x = 27,497.33

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Similar ratio
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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.