Home / 35,834.30-49,451.28-19,920.23

Finding the Fourth Proportional to 35,834.30, 49,451.28 and 19,920.23

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Solution

The fourth proportional to 35,834.30, 49,451.28 and 19,920.23 is: 27,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.30 : 49,451.28 = 19,920.23 : x
  2. Step 2: Convert to fraction form
    35,834.30/49,451.28 = 19,920.23/x
  3. Step 3: Cross multiply
    35,834.30x = 49,451.28 × 19,920.23
  4. Step 4: Simplify right side
    35,834.30x = 985,080,871.39
  5. Step 5: Solve for x
    x = 985,080,871.39/35,834.30
  6. Step 6: Final answer
    x = 27,489.89

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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.