Home / 48,708.16-67,218.24-28,580.48

Finding the Fourth Proportional to 48,708.16, 67,218.24 and 28,580.48

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Solution

The fourth proportional to 48,708.16, 67,218.24 and 28,580.48 is: 39,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.16 : 67,218.24 = 28,580.48 : x
  2. Step 2: Convert to fraction form
    48,708.16/67,218.24 = 28,580.48/x
  3. Step 3: Cross multiply
    48,708.16x = 67,218.24 × 28,580.48
  4. Step 4: Simplify right side
    48,708.16x = 1,921,129,563.96
  5. Step 5: Solve for x
    x = 1,921,129,563.96/48,708.16
  6. Step 6: Final answer
    x = 39,441.64

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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.