Home / 68,631.99-94,713.75-38,416.56

Finding the Fourth Proportional to 68,631.99, 94,713.75 and 38,416.56

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Solution

The fourth proportional to 68,631.99, 94,713.75 and 38,416.56 is: 53,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,631.99 : 94,713.75 = 38,416.56 : x
  2. Step 2: Convert to fraction form
    68,631.99/94,713.75 = 38,416.56/x
  3. Step 3: Cross multiply
    68,631.99x = 94,713.75 × 38,416.56
  4. Step 4: Simplify right side
    68,631.99x = 3,638,576,459.70
  5. Step 5: Solve for x
    x = 3,638,576,459.70/68,631.99
  6. Step 6: Final answer
    x = 53,015.75

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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.