Home / 19,520.98-29,281.39-4,729.88

Finding the Fourth Proportional to 19,520.98, 29,281.39 and 4,729.88

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Solution

The fourth proportional to 19,520.98, 29,281.39 and 4,729.88 is: 7,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.98 : 29,281.39 = 4,729.88 : x
  2. Step 2: Convert to fraction form
    19,520.98/29,281.39 = 4,729.88/x
  3. Step 3: Cross multiply
    19,520.98x = 29,281.39 × 4,729.88
  4. Step 4: Simplify right side
    19,520.98x = 138,497,460.93
  5. Step 5: Solve for x
    x = 138,497,460.93/19,520.98
  6. Step 6: Final answer
    x = 7,094.80

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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.