Home / 35,921.31-49,569.48-19,788.09

Finding the Fourth Proportional to 35,921.31, 49,569.48 and 19,788.09

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Solution

The fourth proportional to 35,921.31, 49,569.48 and 19,788.09 is: 27,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.31 : 49,569.48 = 19,788.09 : x
  2. Step 2: Convert to fraction form
    35,921.31/49,569.48 = 19,788.09/x
  3. Step 3: Cross multiply
    35,921.31x = 49,569.48 × 19,788.09
  4. Step 4: Simplify right side
    35,921.31x = 980,885,331.49
  5. Step 5: Solve for x
    x = 980,885,331.49/35,921.31
  6. Step 6: Final answer
    x = 27,306.50

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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.