Home / 48,501.48-66,949.68-30,608.16

Finding the Fourth Proportional to 48,501.48, 66,949.68 and 30,608.16

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Solution

The fourth proportional to 48,501.48, 66,949.68 and 30,608.16 is: 42,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.48 : 66,949.68 = 30,608.16 : x
  2. Step 2: Convert to fraction form
    48,501.48/66,949.68 = 30,608.16/x
  3. Step 3: Cross multiply
    48,501.48x = 66,949.68 × 30,608.16
  4. Step 4: Simplify right side
    48,501.48x = 2,049,206,517.39
  5. Step 5: Solve for x
    x = 2,049,206,517.39/48,501.48
  6. Step 6: Final answer
    x = 42,250.39

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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.