Home / 51,251.13-70,724.85-30,029.94

Finding the Fourth Proportional to 51,251.13, 70,724.85 and 30,029.94

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Solution

The fourth proportional to 51,251.13, 70,724.85 and 30,029.94 is: 41,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.13 : 70,724.85 = 30,029.94 : x
  2. Step 2: Convert to fraction form
    51,251.13/70,724.85 = 30,029.94/x
  3. Step 3: Cross multiply
    51,251.13x = 70,724.85 × 30,029.94
  4. Step 4: Simplify right side
    51,251.13x = 2,123,862,889.40
  5. Step 5: Solve for x
    x = 2,123,862,889.40/51,251.13
  6. Step 6: Final answer
    x = 41,440.31

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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.