Home / 56,004.75-77,286.56-30,854.79

Finding the Fourth Proportional to 56,004.75, 77,286.56 and 30,854.79

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Solution

The fourth proportional to 56,004.75, 77,286.56 and 30,854.79 is: 42,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004.75 : 77,286.56 = 30,854.79 : x
  2. Step 2: Convert to fraction form
    56,004.75/77,286.56 = 30,854.79/x
  3. Step 3: Cross multiply
    56,004.75x = 77,286.56 × 30,854.79
  4. Step 4: Simplify right side
    56,004.75x = 2,384,660,424.35
  5. Step 5: Solve for x
    x = 2,384,660,424.35/56,004.75
  6. Step 6: Final answer
    x = 42,579.61

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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.