Home / 56,716.81-85,087.56-17,272.90

Finding the Fourth Proportional to 56,716.81, 85,087.56 and 17,272.90

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Solution

The fourth proportional to 56,716.81, 85,087.56 and 17,272.90 is: 25,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.81 : 85,087.56 = 17,272.90 : x
  2. Step 2: Convert to fraction form
    56,716.81/85,087.56 = 17,272.90/x
  3. Step 3: Cross multiply
    56,716.81x = 85,087.56 × 17,272.90
  4. Step 4: Simplify right side
    56,716.81x = 1,469,708,607.64
  5. Step 5: Solve for x
    x = 1,469,708,607.64/56,716.81
  6. Step 6: Final answer
    x = 25,913.11

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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.