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Finding the Fourth Proportional to 35,195.76, 48,569.94 and 19,279.89

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Solution

The fourth proportional to 35,195.76, 48,569.94 and 19,279.89 is: 26,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,195.76 : 48,569.94 = 19,279.89 : x
  2. Step 2: Convert to fraction form
    35,195.76/48,569.94 = 19,279.89/x
  3. Step 3: Cross multiply
    35,195.76x = 48,569.94 × 19,279.89
  4. Step 4: Simplify right side
    35,195.76x = 936,423,100.51
  5. Step 5: Solve for x
    x = 936,423,100.51/35,195.76
  6. Step 6: Final answer
    x = 26,606.13

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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.