Home / 48,983-67,602.24-27,478.68

Finding the Fourth Proportional to 48,983, 67,602.24 and 27,478.68

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Solution

The fourth proportional to 48,983, 67,602.24 and 27,478.68 is: 37,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,983 : 67,602.24 = 27,478.68 : x
  2. Step 2: Convert to fraction form
    48,983/67,602.24 = 27,478.68/x
  3. Step 3: Cross multiply
    48,983x = 67,602.24 × 27,478.68
  4. Step 4: Simplify right side
    48,983x = 1,857,620,320.24
  5. Step 5: Solve for x
    x = 1,857,620,320.24/48,983
  6. Step 6: Final answer
    x = 37,923.78

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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.