Home / 56,447.82-77,897.97-30,606.39

Finding the Fourth Proportional to 56,447.82, 77,897.97 and 30,606.39

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Solution

The fourth proportional to 56,447.82, 77,897.97 and 30,606.39 is: 42,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,447.82 : 77,897.97 = 30,606.39 : x
  2. Step 2: Convert to fraction form
    56,447.82/77,897.97 = 30,606.39/x
  3. Step 3: Cross multiply
    56,447.82x = 77,897.97 × 30,606.39
  4. Step 4: Simplify right side
    56,447.82x = 2,384,175,650.03
  5. Step 5: Solve for x
    x = 2,384,175,650.03/56,447.82
  6. Step 6: Final answer
    x = 42,236.81

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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.