Home / 49,171.64-67,846.70-28,749.77

Finding the Fourth Proportional to 49,171.64, 67,846.70 and 28,749.77

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Solution

The fourth proportional to 49,171.64, 67,846.70 and 28,749.77 is: 39,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171.64 : 67,846.70 = 28,749.77 : x
  2. Step 2: Convert to fraction form
    49,171.64/67,846.70 = 28,749.77/x
  3. Step 3: Cross multiply
    49,171.64x = 67,846.70 × 28,749.77
  4. Step 4: Simplify right side
    49,171.64x = 1,950,576,876.51
  5. Step 5: Solve for x
    x = 1,950,576,876.51/49,171.64
  6. Step 6: Final answer
    x = 39,668.74

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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.