Home / 49,515.90-68,358.50-38,243.74

Finding the Fourth Proportional to 49,515.90, 68,358.50 and 38,243.74

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Solution

The fourth proportional to 49,515.90, 68,358.50 and 38,243.74 is: 52,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.90 : 68,358.50 = 38,243.74 : x
  2. Step 2: Convert to fraction form
    49,515.90/68,358.50 = 38,243.74/x
  3. Step 3: Cross multiply
    49,515.90x = 68,358.50 × 38,243.74
  4. Step 4: Simplify right side
    49,515.90x = 2,614,284,700.79
  5. Step 5: Solve for x
    x = 2,614,284,700.79/49,515.90
  6. Step 6: Final answer
    x = 52,796.87

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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.