Home / 49,207.02-67,905.30-27,986.28

Finding the Fourth Proportional to 49,207.02, 67,905.30 and 27,986.28

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Solution

The fourth proportional to 49,207.02, 67,905.30 and 27,986.28 is: 38,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207.02 : 67,905.30 = 27,986.28 : x
  2. Step 2: Convert to fraction form
    49,207.02/67,905.30 = 27,986.28/x
  3. Step 3: Cross multiply
    49,207.02x = 67,905.30 × 27,986.28
  4. Step 4: Simplify right side
    49,207.02x = 1,900,416,739.28
  5. Step 5: Solve for x
    x = 1,900,416,739.28/49,207.02
  6. Step 6: Final answer
    x = 38,620.85

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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.