Home / 35,729.28-49,306.24-19,813.69

Finding the Fourth Proportional to 35,729.28, 49,306.24 and 19,813.69

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Solution

The fourth proportional to 35,729.28, 49,306.24 and 19,813.69 is: 27,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.28 : 49,306.24 = 19,813.69 : x
  2. Step 2: Convert to fraction form
    35,729.28/49,306.24 = 19,813.69/x
  3. Step 3: Cross multiply
    35,729.28x = 49,306.24 × 19,813.69
  4. Step 4: Simplify right side
    35,729.28x = 976,938,554.43
  5. Step 5: Solve for x
    x = 976,938,554.43/35,729.28
  6. Step 6: Final answer
    x = 27,342.80

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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.