Home / 69,312.40-103,967.64-16,721.44

Finding the Fourth Proportional to 69,312.40, 103,967.64 and 16,721.44

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Solution

The fourth proportional to 69,312.40, 103,967.64 and 16,721.44 is: 25,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,312.40 : 103,967.64 = 16,721.44 : x
  2. Step 2: Convert to fraction form
    69,312.40/103,967.64 = 16,721.44/x
  3. Step 3: Cross multiply
    69,312.40x = 103,967.64 × 16,721.44
  4. Step 4: Simplify right side
    69,312.40x = 1,738,488,654.20
  5. Step 5: Solve for x
    x = 1,738,488,654.20/69,312.40
  6. Step 6: Final answer
    x = 25,081.93

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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.