Home / 33,277.12-45,932.40-19,857.76

Finding the Fourth Proportional to 33,277.12, 45,932.40 and 19,857.76

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Solution

The fourth proportional to 33,277.12, 45,932.40 and 19,857.76 is: 27,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,277.12 : 45,932.40 = 19,857.76 : x
  2. Step 2: Convert to fraction form
    33,277.12/45,932.40 = 19,857.76/x
  3. Step 3: Cross multiply
    33,277.12x = 45,932.40 × 19,857.76
  4. Step 4: Simplify right side
    33,277.12x = 912,114,575.42
  5. Step 5: Solve for x
    x = 912,114,575.42/33,277.12
  6. Step 6: Final answer
    x = 27,409.66

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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.