Home / 48,939.99-67,531.48-28,792.45

Finding the Fourth Proportional to 48,939.99, 67,531.48 and 28,792.45

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Solution

The fourth proportional to 48,939.99, 67,531.48 and 28,792.45 is: 39,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.99 : 67,531.48 = 28,792.45 : x
  2. Step 2: Convert to fraction form
    48,939.99/67,531.48 = 28,792.45/x
  3. Step 3: Cross multiply
    48,939.99x = 67,531.48 × 28,792.45
  4. Step 4: Simplify right side
    48,939.99x = 1,944,396,761.33
  5. Step 5: Solve for x
    x = 1,944,396,761.33/48,939.99
  6. Step 6: Final answer
    x = 39,730.22

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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.