Home / 56,093.22-77,408.91-30,942.72

Finding the Fourth Proportional to 56,093.22, 77,408.91 and 30,942.72

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Solution

The fourth proportional to 56,093.22, 77,408.91 and 30,942.72 is: 42,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,093.22 : 77,408.91 = 30,942.72 : x
  2. Step 2: Convert to fraction form
    56,093.22/77,408.91 = 30,942.72/x
  3. Step 3: Cross multiply
    56,093.22x = 77,408.91 × 30,942.72
  4. Step 4: Simplify right side
    56,093.22x = 2,395,242,227.64
  5. Step 5: Solve for x
    x = 2,395,242,227.64/56,093.22
  6. Step 6: Final answer
    x = 42,701.10

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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.