Home / 56,214.39-77,576.97-30,722.33

Finding the Fourth Proportional to 56,214.39, 77,576.97 and 30,722.33

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Solution

The fourth proportional to 56,214.39, 77,576.97 and 30,722.33 is: 42,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,214.39 : 77,576.97 = 30,722.33 : x
  2. Step 2: Convert to fraction form
    56,214.39/77,576.97 = 30,722.33/x
  3. Step 3: Cross multiply
    56,214.39x = 77,576.97 × 30,722.33
  4. Step 4: Simplify right side
    56,214.39x = 2,383,345,272.74
  5. Step 5: Solve for x
    x = 2,383,345,272.74/56,214.39
  6. Step 6: Final answer
    x = 42,397.42

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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.