Home / 35,729.58-49,305.54-19,813.68

Finding the Fourth Proportional to 35,729.58, 49,305.54 and 19,813.68

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Solution

The fourth proportional to 35,729.58, 49,305.54 and 19,813.68 is: 27,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.58 : 49,305.54 = 19,813.68 : x
  2. Step 2: Convert to fraction form
    35,729.58/49,305.54 = 19,813.68/x
  3. Step 3: Cross multiply
    35,729.58x = 49,305.54 × 19,813.68
  4. Step 4: Simplify right side
    35,729.58x = 976,924,191.79
  5. Step 5: Solve for x
    x = 976,924,191.79/35,729.58
  6. Step 6: Final answer
    x = 27,342.17

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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.