Home / 51,520.56-77,310.08-21,935.32

Finding the Fourth Proportional to 51,520.56, 77,310.08 and 21,935.32

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Solution

The fourth proportional to 51,520.56, 77,310.08 and 21,935.32 is: 32,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.56 : 77,310.08 = 21,935.32 : x
  2. Step 2: Convert to fraction form
    51,520.56/77,310.08 = 21,935.32/x
  3. Step 3: Cross multiply
    51,520.56x = 77,310.08 × 21,935.32
  4. Step 4: Simplify right side
    51,520.56x = 1,695,821,344.03
  5. Step 5: Solve for x
    x = 1,695,821,344.03/51,520.56
  6. Step 6: Final answer
    x = 32,915.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.