Home / 49,021.40-67,649.52-27,800.66

Finding the Fourth Proportional to 49,021.40, 67,649.52 and 27,800.66

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Solution

The fourth proportional to 49,021.40, 67,649.52 and 27,800.66 is: 38,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.40 : 67,649.52 = 27,800.66 : x
  2. Step 2: Convert to fraction form
    49,021.40/67,649.52 = 27,800.66/x
  3. Step 3: Cross multiply
    49,021.40x = 67,649.52 × 27,800.66
  4. Step 4: Simplify right side
    49,021.40x = 1,880,701,304.68
  5. Step 5: Solve for x
    x = 1,880,701,304.68/49,021.40
  6. Step 6: Final answer
    x = 38,364.90

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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.