Home / 35,672.91-49,229.71-19,758.84

Finding the Fourth Proportional to 35,672.91, 49,229.71 and 19,758.84

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Solution

The fourth proportional to 35,672.91, 49,229.71 and 19,758.84 is: 27,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.91 : 49,229.71 = 19,758.84 : x
  2. Step 2: Convert to fraction form
    35,672.91/49,229.71 = 19,758.84/x
  3. Step 3: Cross multiply
    35,672.91x = 49,229.71 × 19,758.84
  4. Step 4: Simplify right side
    35,672.91x = 972,721,729.13
  5. Step 5: Solve for x
    x = 972,721,729.13/35,672.91
  6. Step 6: Final answer
    x = 27,267.80

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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.