Home / 74,639.56-111,926.70-39,571.24

Finding the Fourth Proportional to 74,639.56, 111,926.70 and 39,571.24

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Solution

The fourth proportional to 74,639.56, 111,926.70 and 39,571.24 is: 59,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.56 : 111,926.70 = 39,571.24 : x
  2. Step 2: Convert to fraction form
    74,639.56/111,926.70 = 39,571.24/x
  3. Step 3: Cross multiply
    74,639.56x = 111,926.70 × 39,571.24
  4. Step 4: Simplify right side
    74,639.56x = 4,429,078,308.11
  5. Step 5: Solve for x
    x = 4,429,078,308.11/74,639.56
  6. Step 6: Final answer
    x = 59,339.56

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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.