Home / 51,784.56-77,690.21-23,691.20

Finding the Fourth Proportional to 51,784.56, 77,690.21 and 23,691.20

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Solution

The fourth proportional to 51,784.56, 77,690.21 and 23,691.20 is: 35,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784.56 : 77,690.21 = 23,691.20 : x
  2. Step 2: Convert to fraction form
    51,784.56/77,690.21 = 23,691.20/x
  3. Step 3: Cross multiply
    51,784.56x = 77,690.21 × 23,691.20
  4. Step 4: Simplify right side
    51,784.56x = 1,840,573,796.24
  5. Step 5: Solve for x
    x = 1,840,573,796.24/51,784.56
  6. Step 6: Final answer
    x = 35,542.91

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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.