Home / 19,571.36-29,356.66-4,779.88

Finding the Fourth Proportional to 19,571.36, 29,356.66 and 4,779.88

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Solution

The fourth proportional to 19,571.36, 29,356.66 and 4,779.88 is: 7,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.36 : 29,356.66 = 4,779.88 : x
  2. Step 2: Convert to fraction form
    19,571.36/29,356.66 = 4,779.88/x
  3. Step 3: Cross multiply
    19,571.36x = 29,356.66 × 4,779.88
  4. Step 4: Simplify right side
    19,571.36x = 140,321,312.00
  5. Step 5: Solve for x
    x = 140,321,312.00/19,571.36
  6. Step 6: Final answer
    x = 7,169.73

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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.