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Finding the Fourth Proportional to 33,854.51, 46,719.10 and 18,950.51

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Solution

The fourth proportional to 33,854.51, 46,719.10 and 18,950.51 is: 26,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,854.51 : 46,719.10 = 18,950.51 : x
  2. Step 2: Convert to fraction form
    33,854.51/46,719.10 = 18,950.51/x
  3. Step 3: Cross multiply
    33,854.51x = 46,719.10 × 18,950.51
  4. Step 4: Simplify right side
    33,854.51x = 885,350,771.74
  5. Step 5: Solve for x
    x = 885,350,771.74/33,854.51
  6. Step 6: Final answer
    x = 26,151.63

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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.