Home / 35,581.24-49,102.12-19,665.69

Finding the Fourth Proportional to 35,581.24, 49,102.12 and 19,665.69

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Solution

The fourth proportional to 35,581.24, 49,102.12 and 19,665.69 is: 27,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.24 : 49,102.12 = 19,665.69 : x
  2. Step 2: Convert to fraction form
    35,581.24/49,102.12 = 19,665.69/x
  3. Step 3: Cross multiply
    35,581.24x = 49,102.12 × 19,665.69
  4. Step 4: Simplify right side
    35,581.24x = 965,627,070.26
  5. Step 5: Solve for x
    x = 965,627,070.26/35,581.24
  6. Step 6: Final answer
    x = 27,138.66

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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.