Home / 56,137.21-77,450.43-34,915.21

Finding the Fourth Proportional to 56,137.21, 77,450.43 and 34,915.21

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Solution

The fourth proportional to 56,137.21, 77,450.43 and 34,915.21 is: 48,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,137.21 : 77,450.43 = 34,915.21 : x
  2. Step 2: Convert to fraction form
    56,137.21/77,450.43 = 34,915.21/x
  3. Step 3: Cross multiply
    56,137.21x = 77,450.43 × 34,915.21
  4. Step 4: Simplify right side
    56,137.21x = 2,704,198,028.04
  5. Step 5: Solve for x
    x = 2,704,198,028.04/56,137.21
  6. Step 6: Final answer
    x = 48,171.22

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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.