Home / 56,039.46-84,000.87-20,963.94

Finding the Fourth Proportional to 56,039.46, 84,000.87 and 20,963.94

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Solution

The fourth proportional to 56,039.46, 84,000.87 and 20,963.94 is: 31,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,039.46 : 84,000.87 = 20,963.94 : x
  2. Step 2: Convert to fraction form
    56,039.46/84,000.87 = 20,963.94/x
  3. Step 3: Cross multiply
    56,039.46x = 84,000.87 × 20,963.94
  4. Step 4: Simplify right side
    56,039.46x = 1,760,989,198.63
  5. Step 5: Solve for x
    x = 1,760,989,198.63/56,039.46
  6. Step 6: Final answer
    x = 31,424.09

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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.