Home / 48,668.24-67,156.07-28,520.51

Finding the Fourth Proportional to 48,668.24, 67,156.07 and 28,520.51

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Solution

The fourth proportional to 48,668.24, 67,156.07 and 28,520.51 is: 39,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.24 : 67,156.07 = 28,520.51 : x
  2. Step 2: Convert to fraction form
    48,668.24/67,156.07 = 28,520.51/x
  3. Step 3: Cross multiply
    48,668.24x = 67,156.07 × 28,520.51
  4. Step 4: Simplify right side
    48,668.24x = 1,915,324,887.61
  5. Step 5: Solve for x
    x = 1,915,324,887.61/48,668.24
  6. Step 6: Final answer
    x = 39,354.72

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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.