Home / 49,994.76-69,008.13-28,788.15

Finding the Fourth Proportional to 49,994.76, 69,008.13 and 28,788.15

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Solution

The fourth proportional to 49,994.76, 69,008.13 and 28,788.15 is: 39,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,994.76 : 69,008.13 = 28,788.15 : x
  2. Step 2: Convert to fraction form
    49,994.76/69,008.13 = 28,788.15/x
  3. Step 3: Cross multiply
    49,994.76x = 69,008.13 × 28,788.15
  4. Step 4: Simplify right side
    49,994.76x = 1,986,616,397.66
  5. Step 5: Solve for x
    x = 1,986,616,397.66/49,994.76
  6. Step 6: Final answer
    x = 39,736.49

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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.