Home / 49,749.12-68,686.88-38,243.64

Finding the Fourth Proportional to 49,749.12, 68,686.88 and 38,243.64

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Solution

The fourth proportional to 49,749.12, 68,686.88 and 38,243.64 is: 52,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.12 : 68,686.88 = 38,243.64 : x
  2. Step 2: Convert to fraction form
    49,749.12/68,686.88 = 38,243.64/x
  3. Step 3: Cross multiply
    49,749.12x = 68,686.88 × 38,243.64
  4. Step 4: Simplify right side
    49,749.12x = 2,626,836,311.44
  5. Step 5: Solve for x
    x = 2,626,836,311.44/49,749.12
  6. Step 6: Final answer
    x = 52,801.66

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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.