Home / 48,857.08-67,420.72-27,636.72

Finding the Fourth Proportional to 48,857.08, 67,420.72 and 27,636.72

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Solution

The fourth proportional to 48,857.08, 67,420.72 and 27,636.72 is: 38,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,857.08 : 67,420.72 = 27,636.72 : x
  2. Step 2: Convert to fraction form
    48,857.08/67,420.72 = 27,636.72/x
  3. Step 3: Cross multiply
    48,857.08x = 67,420.72 × 27,636.72
  4. Step 4: Simplify right side
    48,857.08x = 1,863,287,560.84
  5. Step 5: Solve for x
    x = 1,863,287,560.84/48,857.08
  6. Step 6: Final answer
    x = 38,137.51

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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.