Home / 48,309.82-66,636.86-34,900.78

Finding the Fourth Proportional to 48,309.82, 66,636.86 and 34,900.78

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Solution

The fourth proportional to 48,309.82, 66,636.86 and 34,900.78 is: 48,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309.82 : 66,636.86 = 34,900.78 : x
  2. Step 2: Convert to fraction form
    48,309.82/66,636.86 = 34,900.78/x
  3. Step 3: Cross multiply
    48,309.82x = 66,636.86 × 34,900.78
  4. Step 4: Simplify right side
    48,309.82x = 2,325,678,390.75
  5. Step 5: Solve for x
    x = 2,325,678,390.75/48,309.82
  6. Step 6: Final answer
    x = 48,140.90

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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.