Home / 19,539.03-29,308.29-4,747.91

Finding the Fourth Proportional to 19,539.03, 29,308.29 and 4,747.91

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Solution

The fourth proportional to 19,539.03, 29,308.29 and 4,747.91 is: 7,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.03 : 29,308.29 = 4,747.91 : x
  2. Step 2: Convert to fraction form
    19,539.03/29,308.29 = 4,747.91/x
  3. Step 3: Cross multiply
    19,539.03x = 29,308.29 × 4,747.91
  4. Step 4: Simplify right side
    19,539.03x = 139,152,976.63
  5. Step 5: Solve for x
    x = 139,152,976.63/19,539.03
  6. Step 6: Final answer
    x = 7,121.80

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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.