Home / 33,279.12-45,935.16-19,859.76

Finding the Fourth Proportional to 33,279.12, 45,935.16 and 19,859.76

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Solution

The fourth proportional to 33,279.12, 45,935.16 and 19,859.76 is: 27,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.12 : 45,935.16 = 19,859.76 : x
  2. Step 2: Convert to fraction form
    33,279.12/45,935.16 = 19,859.76/x
  3. Step 3: Cross multiply
    33,279.12x = 45,935.16 × 19,859.76
  4. Step 4: Simplify right side
    33,279.12x = 912,261,253.16
  5. Step 5: Solve for x
    x = 912,261,253.16/33,279.12
  6. Step 6: Final answer
    x = 27,412.42

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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.