Home / 58,491.20-80,717.60-31,633.74

Finding the Fourth Proportional to 58,491.20, 80,717.60 and 31,633.74

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Solution

The fourth proportional to 58,491.20, 80,717.60 and 31,633.74 is: 43,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.20 : 80,717.60 = 31,633.74 : x
  2. Step 2: Convert to fraction form
    58,491.20/80,717.60 = 31,633.74/x
  3. Step 3: Cross multiply
    58,491.20x = 80,717.60 × 31,633.74
  4. Step 4: Simplify right side
    58,491.20x = 2,553,399,571.82
  5. Step 5: Solve for x
    x = 2,553,399,571.82/58,491.20
  6. Step 6: Final answer
    x = 43,654.42

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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.