Home / 48,930.36-67,522.75-28,788.54

Finding the Fourth Proportional to 48,930.36, 67,522.75 and 28,788.54

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Solution

The fourth proportional to 48,930.36, 67,522.75 and 28,788.54 is: 39,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,930.36 : 67,522.75 = 28,788.54 : x
  2. Step 2: Convert to fraction form
    48,930.36/67,522.75 = 28,788.54/x
  3. Step 3: Cross multiply
    48,930.36x = 67,522.75 × 28,788.54
  4. Step 4: Simplify right side
    48,930.36x = 1,943,881,389.29
  5. Step 5: Solve for x
    x = 1,943,881,389.29/48,930.36
  6. Step 6: Final answer
    x = 39,727.51

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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.