Home / 30,275.00-41,788.79-19,519.89

Finding the Fourth Proportional to 30,275.00, 41,788.79 and 19,519.89

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Solution

The fourth proportional to 30,275.00, 41,788.79 and 19,519.89 is: 26,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.00 : 41,788.79 = 19,519.89 : x
  2. Step 2: Convert to fraction form
    30,275.00/41,788.79 = 19,519.89/x
  3. Step 3: Cross multiply
    30,275.00x = 41,788.79 × 19,519.89
  4. Step 4: Simplify right side
    30,275.00x = 815,712,348.03
  5. Step 5: Solve for x
    x = 815,712,348.03/30,275.00
  6. Step 6: Final answer
    x = 26,943.43

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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.