Home / 48,910.13-67,495.62-27,689.21

Finding the Fourth Proportional to 48,910.13, 67,495.62 and 27,689.21

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Solution

The fourth proportional to 48,910.13, 67,495.62 and 27,689.21 is: 38,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,910.13 : 67,495.62 = 27,689.21 : x
  2. Step 2: Convert to fraction form
    48,910.13/67,495.62 = 27,689.21/x
  3. Step 3: Cross multiply
    48,910.13x = 67,495.62 × 27,689.21
  4. Step 4: Simplify right side
    48,910.13x = 1,868,899,920.34
  5. Step 5: Solve for x
    x = 1,868,899,920.34/48,910.13
  6. Step 6: Final answer
    x = 38,210.90

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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.