Home / 33,421.30-46,120.78-19,818.50

Finding the Fourth Proportional to 33,421.30, 46,120.78 and 19,818.50

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Solution

The fourth proportional to 33,421.30, 46,120.78 and 19,818.50 is: 27,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.30 : 46,120.78 = 19,818.50 : x
  2. Step 2: Convert to fraction form
    33,421.30/46,120.78 = 19,818.50/x
  3. Step 3: Cross multiply
    33,421.30x = 46,120.78 × 19,818.50
  4. Step 4: Simplify right side
    33,421.30x = 914,044,678.43
  5. Step 5: Solve for x
    x = 914,044,678.43/33,421.30
  6. Step 6: Final answer
    x = 27,349.17

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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.