Home / 35,836.10-49,455.51-19,920.82

Finding the Fourth Proportional to 35,836.10, 49,455.51 and 19,920.82

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Solution

The fourth proportional to 35,836.10, 49,455.51 and 19,920.82 is: 27,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,836.10 : 49,455.51 = 19,920.82 : x
  2. Step 2: Convert to fraction form
    35,836.10/49,455.51 = 19,920.82/x
  3. Step 3: Cross multiply
    35,836.10x = 49,455.51 × 19,920.82
  4. Step 4: Simplify right side
    35,836.10x = 985,193,965.84
  5. Step 5: Solve for x
    x = 985,193,965.84/35,836.10
  6. Step 6: Final answer
    x = 27,491.66

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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.