Home / 29,760.11-41,070.77-19,671.06

Finding the Fourth Proportional to 29,760.11, 41,070.77 and 19,671.06

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Solution

The fourth proportional to 29,760.11, 41,070.77 and 19,671.06 is: 27,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.11 : 41,070.77 = 19,671.06 : x
  2. Step 2: Convert to fraction form
    29,760.11/41,070.77 = 19,671.06/x
  3. Step 3: Cross multiply
    29,760.11x = 41,070.77 × 19,671.06
  4. Step 4: Simplify right side
    29,760.11x = 807,905,580.92
  5. Step 5: Solve for x
    x = 807,905,580.92/29,760.11
  6. Step 6: Final answer
    x = 27,147.26

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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.