Home / 68,943.24-95,141.58-38,729.40

Finding the Fourth Proportional to 68,943.24, 95,141.58 and 38,729.40

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Solution

The fourth proportional to 68,943.24, 95,141.58 and 38,729.40 is: 53,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.24 : 95,141.58 = 38,729.40 : x
  2. Step 2: Convert to fraction form
    68,943.24/95,141.58 = 38,729.40/x
  3. Step 3: Cross multiply
    68,943.24x = 95,141.58 × 38,729.40
  4. Step 4: Simplify right side
    68,943.24x = 3,684,776,308.45
  5. Step 5: Solve for x
    x = 3,684,776,308.45/68,943.24
  6. Step 6: Final answer
    x = 53,446.52

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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.