Home / 43,045.14-64,571.44-11,880.40

Finding the Fourth Proportional to 43,045.14, 64,571.44 and 11,880.40

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Solution

The fourth proportional to 43,045.14, 64,571.44 and 11,880.40 is: 17,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.14 : 64,571.44 = 11,880.40 : x
  2. Step 2: Convert to fraction form
    43,045.14/64,571.44 = 11,880.40/x
  3. Step 3: Cross multiply
    43,045.14x = 64,571.44 × 11,880.40
  4. Step 4: Simplify right side
    43,045.14x = 767,134,535.78
  5. Step 5: Solve for x
    x = 767,134,535.78/43,045.14
  6. Step 6: Final answer
    x = 17,821.63

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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.