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Finding the Fourth Proportional to 33,377.86, 46,061.22 and 19,230.40

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Solution

The fourth proportional to 33,377.86, 46,061.22 and 19,230.40 is: 26,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,377.86 : 46,061.22 = 19,230.40 : x
  2. Step 2: Convert to fraction form
    33,377.86/46,061.22 = 19,230.40/x
  3. Step 3: Cross multiply
    33,377.86x = 46,061.22 × 19,230.40
  4. Step 4: Simplify right side
    33,377.86x = 885,775,685.09
  5. Step 5: Solve for x
    x = 885,775,685.09/33,377.86
  6. Step 6: Final answer
    x = 26,537.82

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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.