Home / 35,665.49-49,218.36-19,749.94

Finding the Fourth Proportional to 35,665.49, 49,218.36 and 19,749.94

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Solution

The fourth proportional to 35,665.49, 49,218.36 and 19,749.94 is: 27,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.49 : 49,218.36 = 19,749.94 : x
  2. Step 2: Convert to fraction form
    35,665.49/49,218.36 = 19,749.94/x
  3. Step 3: Cross multiply
    35,665.49x = 49,218.36 × 19,749.94
  4. Step 4: Simplify right side
    35,665.49x = 972,059,656.90
  5. Step 5: Solve for x
    x = 972,059,656.90/35,665.49
  6. Step 6: Final answer
    x = 27,254.91

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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.