Home / 35,470.39-48,951.56-21,678.64

Finding the Fourth Proportional to 35,470.39, 48,951.56 and 21,678.64

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Solution

The fourth proportional to 35,470.39, 48,951.56 and 21,678.64 is: 29,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.39 : 48,951.56 = 21,678.64 : x
  2. Step 2: Convert to fraction form
    35,470.39/48,951.56 = 21,678.64/x
  3. Step 3: Cross multiply
    35,470.39x = 48,951.56 × 21,678.64
  4. Step 4: Simplify right side
    35,470.39x = 1,061,203,246.68
  5. Step 5: Solve for x
    x = 1,061,203,246.68/35,470.39
  6. Step 6: Final answer
    x = 29,918.01

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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.