Home / 56,286.94-77,676.59-30,792.76

Finding the Fourth Proportional to 56,286.94, 77,676.59 and 30,792.76

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Solution

The fourth proportional to 56,286.94, 77,676.59 and 30,792.76 is: 42,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286.94 : 77,676.59 = 30,792.76 : x
  2. Step 2: Convert to fraction form
    56,286.94/77,676.59 = 30,792.76/x
  3. Step 3: Cross multiply
    56,286.94x = 77,676.59 × 30,792.76
  4. Step 4: Simplify right side
    56,286.94x = 2,391,876,593.49
  5. Step 5: Solve for x
    x = 2,391,876,593.49/56,286.94
  6. Step 6: Final answer
    x = 42,494.34

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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.