Home / 68,951.02-95,145.69-38,729.50

Finding the Fourth Proportional to 68,951.02, 95,145.69 and 38,729.50

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Solution

The fourth proportional to 68,951.02, 95,145.69 and 38,729.50 is: 53,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.02 : 95,145.69 = 38,729.50 : x
  2. Step 2: Convert to fraction form
    68,951.02/95,145.69 = 38,729.50/x
  3. Step 3: Cross multiply
    68,951.02x = 95,145.69 × 38,729.50
  4. Step 4: Simplify right side
    68,951.02x = 3,684,945,000.86
  5. Step 5: Solve for x
    x = 3,684,945,000.86/68,951.02
  6. Step 6: Final answer
    x = 53,442.94

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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.