Home / 48,707.16-67,216.86-28,579.48

Finding the Fourth Proportional to 48,707.16, 67,216.86 and 28,579.48

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Solution

The fourth proportional to 48,707.16, 67,216.86 and 28,579.48 is: 39,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.16 : 67,216.86 = 28,579.48 : x
  2. Step 2: Convert to fraction form
    48,707.16/67,216.86 = 28,579.48/x
  3. Step 3: Cross multiply
    48,707.16x = 67,216.86 × 28,579.48
  4. Step 4: Simplify right side
    48,707.16x = 1,921,022,906.03
  5. Step 5: Solve for x
    x = 1,921,022,906.03/48,707.16
  6. Step 6: Final answer
    x = 39,440.26

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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.